DISCOVER TOP DEALS

Save on HDTVs, laptops, tablets and more.

Shop now ›


"Wireless Door Security Alarms"

Current Offers

  • (2)
  • (15)

Brand

  • (6)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)

Price

Enter Custom Price Range
to
  • (4)
  • (1)
  • (5)
  • (1)
  • (1)
  • (3)

Sold By

  • (13)
  • (2)

Features

  • (12)
  • (11)
  • (9)
  • (6)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)

Sensor Type

  • (1)

OS Compatibility

  • (1)

Mount Type

  • (1)

Connectivity

  • (2)

Number of Cameras

  • (2)

Included Components

  • (6)
  • (2)
  • (1)

Indoor/Outdoor Use

  • (15)

Color

  • (15)

Customer Rating

  • (1)
  • (2)
  • (5)
  • (5)
  • (5)
  • (5)

Condition

  • (15)

Home Safety & Security Resources


Home Safety & Security Questions

Ask fellow shoppers and Best Buy staff. Share your answers.

15 items
View:
iSmartAlarm - iCamera KEEP Wireless High-Definition Security Camera - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: ISC3
  • SKU: 6145017
720p resolution; IR night vision up to 26'; Cloud recording; up to 350° pan; up to 40° tilt; motion and sound alerts; compatible with select Android and iOS devices
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$119.99
On Sale
Save $30 (Reg. $149.99)
Myfox - Home Alarm Wireless Smart Home Security System - White/Silver - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: BU0201
  • SKU: 4531807
MYFOX Home Alarm Wireless Smart Home Security System: Wireless-N network connectivity; IntelliTAG door/window sensor; Bluetooth key fob; tamper protection; battery backup; downloadable app
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$256.99
On Sale
Save $23 (Reg. $279.99)
Oplink Connected - AlarmShield Wireless Security System with Wireless Camera - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: OPG2200
  • SKU: 3146049
OPLINK AlarmShield Wireless Security System: Includes an OPU (Oplink Processing Unit), Wi-Fi IP camera, 2 door/window sensors, 2 key fob remotes, motion detector, sensor and more; CMOS sensor; IR night vision up to 15'; expandable up to 8 cameras
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$249.99
Oplink Connected - AlarmShield Wireless Security System - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: CMPOPG2204OPL01
  • SKU: 1312530803
OPLINK CONNECTED AlarmShield Indoor Wireless Security System: Includes OPU, 2 door/window sensors, a siren and a motion sensor; Smart & Secure Cloud technology; compatible with most Android, iOS and Windows devices; plug-and-play installation
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$149.99
smanos - W100 Wi-Fi PSTN Alarm System - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: 60-3533-05-XP
  • SKU: 4422605
SMANOS W100 Wi-Fi PSTN Alarm System: Compatible with iOS and Android devices; downloadable app; 100dB siren volume; includes an alarm base unit, door/window contact sensor and motion detector
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$199.00
smanos - W020 Wi-Fi Alarm System - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: 60-3532-05-XP
  • SKU: 4422604
SMANOS W020 Wi-Fi Alarm System: Compatible with iOS and Android devices; downloadable app; 100dB siren volume; includes an alarm base unit and 2 door/window contact sensors
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$149.00
smanos - W100i Wi-Fi PSTN Alarm System - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: 60-3536-05-XP
  • SKU: 4422610
SMANOS W100i Wi-Fi PSTN Alarm System: Compatible with iOS and Android devices; downloadable app; 100dB siren volume; includes an alarm base unit, an IP6 camera and 2 door/window contact sensors
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$319.00
smanos - W020i DIY Smart Wi-Fi Alarm System - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: 60-3535-05-XP
  • SKU: 4422600
SMANOS W020i DIY Smart Wi-Fi Alarm System: Compatible with iOS and Android devices; downloadable app; 100dB siren volume; includes an alarm base unit, an IP6 camera and 2 door/window contact sensors
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$269.00
SABRE - Door/Window Sensor - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: WP-DWS
  • SKU: 4220820
SABRE Door/Window Sensor: Compatible with WP-100 and WP-800 wireless home protection systems; battery level alert; wireless installation
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$19.99
smanos - DS2300 Wireless Door and Window Contact Sensor - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: 60-3538-05-XP
  • SKU: 4422601
SMANOS DS2300 Wireless Door and Window Contact Sensor: Compatible with smanos DIY alarm systems; LED indicator; low-profile design; tamper alert
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$29.00
Myfox - IntelliTAG Smart Window/Door Sensor - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: BU2002
  • SKU: 4531808
MYFOX IntelliTAG Smart Window/Door Sensor: Works with Myfox Home Alarm systems; 328' wireless range; downloadable Android and Apple iOS app; tamper protection; door, window or garage installation
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$49.99
Ring - Chime - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: 88CH000FC000
  • SKU: 4427000
Works with Ring Smart Video Doorbell; compatible with Apple® and Android devices; alerts you when someone is at your door; volume control
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$29.99
SABRE - Wireless Home Alarm System - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: WP-100
  • SKU: 4220808
SABRE Wireless Home Alarm System: Includes 1 security panel, 1 motion sensor, 2 door/window sensors and a key fob remote; 120dB alarm; 4 operation modes; 8 security zones
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$139.99
INSTEON - Hidden Door Sensor - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: 2845-292
  • SKU: 1312453133
INSTEON Hidden Door Sensor: Hidden door alarm; audible alert; designed for indoor use; remote monitoring capabilities; wireless design
What is Marketplace?

Marketplace Items

  • are sold and shipped by Best Buy-approved third party retailers using our secure checkout; your credit card information stays with Best Buy
  • are not available in Best Buy stores
  • can only be returned to the Marketplace Seller

Learn More

$56.44
smanos - DS2300 Wireless Door and Window Contact Sensors (4-Pack) - White - Larger Front
You may compare up to four items at a time.

Would you like to compare the first four items you selected?

Yes, go to compare

  • Model: 60-3540-05-XP
  • SKU: 4422603
SMANOS DS2300 Wireless Door and Window Contact Sensors (4-Pack): Compatible with smanos DIY alarm systems; LED indicator; low-profile design; tamper alert
Price Match Guarantee

Best Buy is dedicated to always offering the best value to our customers. We will match the price, at the time of purchase, on a Price Match Guarantee product if you find the same item at a lower price at a Designated Major Online Retailer or at a local retail competitor's store.

Here's how:
  • If you find a qualifying lower price online, call 1-888-BEST BUY and direct a customer service agent to the web site with the lower price, or when visiting a Best Buy store, one of our employees will assist you.
  • On qualifying products, Best Buy will then verify the current price to complete the price match.

Exclusions apply including, but not limited to, items sold by Marketplace vendors, Competitors' service prices, special daily or hourly sales, and items for sale Thanksgiving Day through the Monday after Thanksgiving. See the list of Designated Major Online Retailers and full details.

$109.00