#1 Home Improvement Retailer

Internet #312689491

Model #4SD2SZ-0EN0

Store SKU #1005191353

Alarm Door/Window Contact Sensor (2-Pack) (2nd Gen)

$3999
Apply Now
Pay $14.99 $39.99 when you open a new card. info
Apply for a Home Depot Consumer Card
  • 2pk Contact Sensor for the Ring Alarm Security Kit
  • Triggers Alarm when someone tampers with Contact Sensors
  • Easy installation, mounts to doors and window frames
  • View More Details
Store
0 in stock
Text to Me
How to Get It

Frequently Bought Together

Top Rated
+
+
Price:
$3999

Product Overview

Expand your Ring Alarm system to secure each door and window in your home, and get alerts 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. *Requires Ring Alarm Security Kit (Gen 2).
  • Requires the Ring Alarm Security Kit
  • Get alerts on your phone and tablet when doors or windows are opened
  • Monitor your home from any iOS or Android device
  • Easy installation with no tools required
  • Includes two 3V CR2032 batteries
  • Mounts to door and window frames
  • Save up to $100 per year on home insurance with a professionally monitored Ring Alarm. (Actual savings vary depending on insurance carrier and policy).
  • Includes 2 alarm door/window contact sensors









  • Click here for more information on Electronic Recycling Programs

Additional Resources

From the Manufacturer

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Compare Similar Smart Security Systems

Magnetic Window and Door Alarms (4-Pack)
current product
Top RatedAlarm Door/Window Contact Sensor (2-Pack) (2nd Gen)
Wireless PIR Indoor Motion Detector AlarmBattery-Powered Smart Wi-Fi Door and Window Sensor, Easy setup - No Hub Required in White (3-Pack)
BrandGERingtattletaleFeit Electric
NameMagnetic Window and Door Alarms (4-Pack)Alarm Door/Window Contact Sensor (2-Pack) (2nd Gen)Wireless PIR Indoor Motion Detector AlarmBattery-Powered Smart Wi-Fi Door and Window Sensor, Easy setup - No Hub Required in White (3-Pack)
Price
$2151
/package
$3999
$4915
/piece
$5279
/package
Ratings
(37)
(107)
(1)
(7)
FeaturesAudio Alert/SirenAudio Alert/Siren,Low Battery IndicatorNo Additional FeaturesMotion Activated
Indoor/OutdoorIndoorIndoorIndoorIndoor
Power ConnectionWirelessWirelessWirelessWireless
IncludedBatteries,Mounting HardwareBatteriesBatteriesBatteries,Mounting Hardware
Smart Home Protocol Z-Wave
View ProductView ProductView ProductView Product

Specifications

Dimensions

Product Depth (in.)0.55Product Height (in.)1.56
Product Width (in.)2.09

Details

Alarm TypeDoor,WindowFeaturesAudio Alert/Siren,Low Battery Indicator
Fixture Color/FinishWhiteHub RequiredProprietary Hub
IncludedBatteriesIndoor/OutdoorIndoor
Number of Sensors Included2Power ConnectionWireless
Power OptionsBatteryProduct Weight (lb.)0.147
Range (ft.)250Remote AccessRemote Access
Requires Hub?Requires Smart HubReturnable90-Day
Smart HomeSmart Home EnabledSmart Home ProtocolZ-Wave
Voice Control Hub RequiredNo Voice ControlWorks WithAlexa, Ring

Warranty / Certifications

Manufacturer Warranty1 Year Limited Warranty and Service included

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.5
    out of 107 reviews
  • 93%recommend this product
Filter by:
Showing 1-10 of 107 reviews
by
  • Verified Purchase
Luv the Ring alarm system...
Luv the Ring alarm system
by
  • Verified Purchase
by
  • Verified Purchase
by
  • Verified Purchase
Easy to install and was a great addition to the...
Easy to install and was a great addition to the system parts that we already have installed.
by
  • Verified Purchase
Perfect for the daughter's house!...
Perfect for the daughter's house!
by
  • Verified Purchase
Actually these worked fine. They replaced new sensors that came...
Actually these worked fine. They replaced new sensors that came with the original package installed
by
  • Verified Purchase
Doesn’t work plan to return it...
Doesn’t work plan to return it
by
Response from RingApr 4, 2022
Hello Jojo,

Thank you for taking a moment to leave your review on the Ring Alarm Contact Sensor. At Ring, we believe that stronger communities are the key to safer neighborhoods. That is why we are driven to create products that help you protect what matters most at home, and empower you to connect with your visitors from wherever you are. We are saddened to read that this device did not meet your expectations, but are still here to assist you, if needed.

If you still have the Ring device in your possession, we invite you to reach out to us at https://community.ring.com/. Ring Community is our first peer-to-peer community forum, giving our customers the ability to help one another and share their personal feedback/experiences with Ring. We look forward to hearing from you, if we can be of any further assistance!

Thank you,
Jamila with Ring Ring
  • Verified Purchase
by
  • Verified Purchase
by
  • Verified Purchase
Showing 1-10 of 107 reviews