DISCOVER TOP DEALS

Save on HDTVs, laptops, tablets and more.

Shop now ›


Current Offers
  • (215)
  • (661)
  • (5)
Brand
  • (84)
  • (43)
  • (41)
  • (35)
  • (29)
  • (26)
  • (26)
  • (26)
  • (25)
  • (18)
  • (16)
  • (16)
  • (15)
  • (15)
  • (15)
  • (12)
  • (10)
  • (10)
  • (8)
  • (8)
  • (8)
  • (8)
  • (8)
  • (8)
  • (8)
  • (7)
  • (7)
  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (2)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
  • (1)
Price
to
  • (91)
  • (79)
  • (78)
  • (73)
  • (48)
  • (230)
  • (81)
  • (31)
  • (15)
  • (11)
  • (6)
  • (2)
  • (7)
  • (15)
Customer Rating
  • (148)
  • (56)
  • (337)
  • (381)
  • (392)
  • (403)
Indoor/Outdoor Use
  • (97)
  • (52)
  • (22)
Interfaces
  • (16)
  • (4)
  • (1)
Drive Interface
  • (16)
  • (4)
  • (1)
Included Components
  • (55)
  • (51)
  • (48)
  • (14)
  • (3)
Features
  • (209)
  • (159)
  • (122)
  • (117)
  • (109)
  • (103)
  • (102)
  • (98)
  • (98)
  • (89)
  • (83)
  • (82)
  • (80)
  • (80)
  • (74)
  • (72)
  • (68)
  • (68)
  • (66)
  • (65)
  • (62)
  • (60)
  • (59)
  • (59)
  • (50)
  • (41)
  • (41)
  • (40)
  • (39)
  • (38)
  • (37)
  • (33)
  • (31)
  • (31)
  • (30)
  • (29)
  • (28)
  • (27)
  • (27)
  • (27)
  • (26)
  • (25)
  • (20)
  • (19)
  • (17)
  • (16)
  • (16)
  • (15)
  • (15)
  • (14)
  • (14)
  • (13)
  • (13)
  • (12)
  • (12)
  • (11)
  • (11)
  • (11)
  • (11)
  • (10)
  • (10)
  • (10)
  • (10)
  • (9)
  • (9)
  • (8)
  • (8)
  • (8)
  • (8)
  • (8)
  • (8)
  • (7)
  • (7)
  • (7)
  • (6)
  • (6)
  • (6)
  • (6)
  • (6)
  • (5)
  • (5)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (4)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (2)
Color
  • (188)
  • (133)
  • (66)
  • (57)
  • (53)
  • (33)
  • (22)
  • (14)
  • (7)
  • (7)
  • (7)
  • (3)
  • (2)
  • (1)
Collection
  • (10)
  • (9)
  • (5)
Condition
  • (738)
  • (25)
  • (4)
  • (36)

Home Safety & Security Resources


Home Safety & Security Questions

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

Sort by:
Items per page:
  • Model: 3305-P
  • SKU: 8229135
Designed for use with most ZigBee HA 1.2-compatible platforms; triggers lighting scenes, HVAC settings and security alarms; built-in power amplifier; includes a wall-mount bracket, mounting screw and mounting adhesive
  4.6  (9 Reviews)
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

On Sale
(Reg. $39.99)
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

Rating Breakdown

67%
(6 Reviews)
22%
(2 Reviews)
11%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: PIR3
  • SKU: 9345024
ISMARTALARM Wireless Motion Sensor: Detects suspicious movement; provides instant notifications; compatible with Apple iPhone and select Android smartphones; portable design
  4.3  (4 Reviews)
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$34.99
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

Rating Breakdown

25%
(1 Review)
75%
(3 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: DCH-S150
  • SKU: 8428648
For use with D-Link Wi-Fi smart plugs, Wi-Fi cameras and other compatible home automation devices; 802.11b/g/n wireless standard; WPS button; LED status indicators; mydlink Home app support
  2.0  (1 Review)
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$39.99
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

Rating Breakdown

0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
100%
(1 Review)
0%
(0 Reviews)
  • Model: DS9371
  • SKU: 1310363595
25 ft Operating Range - 360¿ Viewing Angle
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

$104.95
On Sale
Save $28.95 (Reg. $133.90)
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

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

$102.36
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: ISN-CC1-100N
  • SKU: 1310363625
98 ft Operating Range - 33¿ Viewing Angle
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

$121.49
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: SWO-MOS1PA-GL
  • SKU: 6678122
SWANN SwannOne Motion Sensor: PIR motion sensor; audible alarm; temperature indication; mobile alerts; 3M Command strip for simple installation
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: 2421
  • SKU: 3199084
Compatible with most open-and-close fixtures; battery-operated design; up to 150' range; magnetic sensors
  4.0  (2 Reviews)
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.

Some exclusions apply. See the list of Designated Major Online Retailers and full details.

$34.99
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

Rating Breakdown

50%
(1 Review)
0%
(0 Reviews)
50%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
Battery Life:
5
Easy to Set up:
5
Performance:
5
Detection Accuracy:
5
Detection Range:
5
  • Model: 900-00038
  • SKU: 5014278
Compatible with select Apple® iPhone® and iPad® models; lets you capture a variety of basketball metrics; Bluetooth Smart technology; rechargeable battery; waterproof design
  4.3  (3 Reviews)
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

Rating Breakdown

67%
(2 Reviews)
0%
(0 Reviews)
33%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: 900-00036
  • SKU: 5015126
Compatible with select Apple® iPhone® and iPad® models; lets you capture a variety of golf metrics; Bluetooth Smart technology; rechargeable battery; waterproof design
  4.9  (7 Reviews)
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

Rating Breakdown

86%
(6 Reviews)
14%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: 900-00040
  • SKU: 5013128
Compatible with select Apple® iPhone® and iPad® models; lets you capture a variety of baseball metrics; Bluetooth Smart technology; rechargeable battery; waterproof design
  4.9  (7 Reviews)
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

Rating Breakdown

86%
(6 Reviews)
14%
(1 Review)
0%
(0 Reviews)
0%
(0 Reviews)
0%
(0 Reviews)
  • Model: DS720i
  • SKU: 1310363571
DS720i Motion Sensor
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

$178.95
On Sale
Save $57.95 (Reg. $236.90)
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: DS794Z
  • SKU: 1310363557
DS794Z Motion Sensor
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

$122.95
On Sale
Save $39.79 (Reg. $162.74)
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: PM-303B
  • SKU: 1310363526
PM-303B Motion Sensor
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

On Sale
(Reg. $34.99)
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: DS9360
  • SKU: 1310363564
18 ft Operating Range - 360¿ Viewing Angle
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

$111.95
On Sale
Save $71.81 (Reg. $183.76)
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

Select 2 to 4 items to Compare