Appliances Presidents’ Day SaleEnds 2/25. Limited quantities. No rainchecks.Shop now

Main Content
product image

Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

Rating 4.8 out of 5 stars with 1312 reviews

64 Answered Questions
$89.99
$99.99

Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

Model: 4SD6SZ-0EN0
SKU: 10811737
$99.99
Save $10
Comp. Value: $99.99
or
Finance OptionsView your offers
Sold & shipped by
A4C
(62)

More Buying Options

About This Item

Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.
  • Key Specs
    • Detector Type: Contact
    • Sensor Type: Magnetic
    • Wireless Connectivity: Z-Wave (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
    • Maximum Wireless Range: 250 feet
    • Works With: Amazon Alexa, Ring (Compatible with or able to be connected to other smart devices or applications.)
    • Power Source: Battery-powered
    • Number of Devices Included: 6
  • General
    • Brand: Ring
    • Model Number: 4SD6SZ-0EN0
    • Product Name: Alarm Contact Sensor (2nd Gen) (6-Pack)
    • Color: White
  • Detection
    • Detector Type: Contact
    • Sensor Type: Magnetic
  • Connectivity
    • Wireless: true
    • Wireless Connectivity: Z-Wave (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
    • Maximum Wireless Range: 250 feet
  • Compatibility
    • Works With: Amazon Alexa, Ring (Compatible with or able to be connected to other smart devices or applications.)
    • Voice Assistant Built-in: No (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
    • App Compatible: true (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
    • Operating System Compatibility: Android, Apple iOS
  • Features
    • Placement: Door, Window
  • Power
    • Power Source: Battery-powered
    • Rechargeable Battery: false
    • Battery Size: CR2032 (The battery size required for operation.)
    • Number of Batteries Required: 2
    • Replaceable Battery: Yes
  • Dimensions
    • Product Height: 1.56 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 2.09 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth: 0.55 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
    • Product Weight: 0.2 pounds (The out of box weight of the item.)
  • Included
    • Number of Devices Included: 6
  • Warranty
    • Warranty - Parts: 1 year
    • Warranty - Labor: 1 year
  • Other
    • UPC: 842861111439

Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.

    Disclaimers
    • *Professional Monitoring is an add-on plan that first requires a compatible Ring Home subscription. Both sold separately. Service available within the U.S. (all 50 states, but not U.S. territories) and in Canada (excluding Quebec).
    • *Ring does not own its monitoring center. Smoke and carbon monoxide monitoring is not available for business or commercially zoned addresses. See Ring Alarm licenses at: ring.com/licenses. Additional fees may be required for permits, false alarms, or Alarm Verified Guard Response, depending on your local jurisdiction.

    Q: Is the battery replaceable in this detector?

    A: Yes, the battery is replaceable in this detector.

    Q: Does this device require other products to operate?

    A: Yes, this device requires Ring Alarm or Ring Alarm Pro to operate.

    Q: What kind of battery does the motion detector use?

    A: The motion detector uses AA batteries.

    Q: How many motion detectors are included in the package?

    A: There are two motion detectors included in the package.

    Q: Can this motion detector work with Alexa?

    A: Yes, this motion detector works with Amazon Alexa.

    Q: Does this motion detector require a subscription?

    A: Yes, this motion detector requires a subscription for in-app features and digital notifications.

    Q: What is the maximum wireless range of this device?

    A: The maximum wireless range is 250 feet.

    Q: Can I buy these individually and use them without buying any other ring products?

    A: You would need a ring base station. You would then be able to control the sensor with the ring app on your phone.

    Sponsored

    Reviews

    Customer Images

    The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

    Compare similar products

    Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White
    Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

    Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.

    TP-Link - Tapo Smart Home Security Kit - Motion Detector, Contact Sensors x2, and Smart Hub w/ adjustable chime/siren Included - White
    3.9(12)

    Stay informed and protected with Tapo's comprehensive home security solution. Monitor doors, windows, cabinets, refrigerators, and mailboxes for suspicious activity and receive instant alerts. Customize motion detection sensitivity for precise coverage, up to 23 feet. Deter intruders with a loud alarm triggered by motion or door sensors, and receive real-time notifications. Review detailed event logs in the Tapo app for added peace of mind. Centralize your smart home with the Tapo Hub, connecting sensors, switches, and buttons seamlessly while extending battery life. Enjoy easy installation with tool-free setup and flexible mounting options.

    Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White

    Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.

    Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White

    Expand your Ring Alarm system to secure each door and window in your home, and hear chirps as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar.

    Pros for Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White
    There were no pros for this productMotion SensorEase of use, Installation, Performance, Compatibility, SizeEase of use, Installation, Performance, Compatibility, Size
    Cons for Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White
    There were no cons for this productThere were no cons for this productConnection, Range, False Alarms, Motion Detection, StickinessConnection, Range, False Alarms, Motion Detection, Stickiness

    Specs

    No content
    Sponsored

    Similar products from outside of Best Buy

    sponsored

    Finance Options

    My Best Buy® Credit Card
    10% back in rewardson your first day of purchases when approved for the My Best Buy® Credit Card.
    Buy Now, Pay Later
    4 payments starting at $22.50