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Internet # 312689491

Model # 4SD2SZ-0EN0

Store SKU # 1005191353

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

$39.99
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  • 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
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Product Details

About This Product

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 Protect subscription required, sold separately.***

Highlights

  • Requires ring alarm or ring alarm pro, sold separately
  • Get alerts on your phone and tablet when doors or windows are opened, subscription required, sold separately
  • Monitor your home from any iOS or Android device, subscription required, sold separately
  • 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).
  • * Ring Alarm and all Ring Alarm accessories require a subscription for in-app features and digital notifications, including but not limited to: digital arming / disarming and integration with other Ring, Echo, Alexa, and third party products. Subscription sold separately. Terms and conditions apply. Customer reviews may reference features that require a subscription.
  • Ring Alarm and the professional monitoring services are available only within the U.S. (excluding American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands) and Canada (excluding Quebec).
  • Includes 2 alarm door/window contact sensors
  • Ring Smart Home Homepage
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Product Information

Internet # 312689491

Model # 4SD2SZ-0EN0

Store SKU # 1005191353

Additional Resources

Shop All Ring

Specifications

Dimensions: H 1.56 in, W 2.09 in, D 0.55 in

Dimensions

Product Depth (in.)

0.55 in

Product Height (in.)

1.56 in

Product Width (in.)

2.09 in

Details

Color Family

White

Connectivity

Wireless (Wireless Network Transmission)

Decibel Rating (dB)

0 dB

Features

Audio Alert/Siren, Low Battery Indicator

Hub Required

Proprietary Hub

Included

Batteries

Indoor/Outdoor

Indoor

Pack Size

2

Power Connection

Wireless

Power Options

Battery

Power Source

Battery Operated

Power Source

Battery Operated

Product Weight (lb.)

0.147 lb

Remote Access

Remote Access

Requires Hub?

Requires Smart Hub

Returnable

90-Day

Sensor Location

Door, Window

Sensor Recognition

Motion

Sensor Technology

PIR

Smart Home

Smart Home Enabled

Smart Home Protocol

Z-Wave

Transmission Range (ft.)

250 ft

Voice Control Hub Required

No Voice Control

Works With

Alexa, Ring

Warranty / Certifications

Certifications and Listings

No Certifications or Listings

Manufacturer Warranty

1 Year Limited Warranty and Service included

Questions & Answers

24Questions
caret
Q:Up to how many window/door sensors that can be used per system?
by|Apr 4, 2024
1 Answer
Answer This Question

A:  Hi Steve. Good question. Up to 100 Z-Wave devices can be used per Ring Alarm security kit. Ring Alarm Security Kits are available in a variety of bundles, giving you everything you need to secure your home. You can purchase additional sensors, motion detectors, keypads, and other devices to extend your alarm. Learn more here: https://ring.com/support/articles/5v81l/Ring-Alarm-System-FAQs. If any additional information is needed regarding your Ring Alarm question, please reach out to our Community. Ring Community is our first peer-to-peer community forum, giving our customers the ability to help one another and share their feedback and experiences directly with Ring. You can find it here: https://community.ring.com/. All the best, Nicole from Ring.

by|Apr 6, 2024
    caret
    Q:What is the maximum Alarm Door/Window sensors per system?
    by|Apr 4, 2024
    1 Answer
    Answer This Question

    A:  Hello. Thanks for asking. Up to 100 Z-Wave devices can be used per Ring Alarm security kit. Ring Alarm is an affordable and comprehensive DIY home security system. Learn more here: https://ring.com/support/articles/5v81l/Ring-Alarm-System-FAQs. We invite you to reach out to our Community if any additional information is needed regarding your question. The Ring Community is our first peer-to-peer community forum, giving our customers the ability to help one another by sharing their feedback and experiences with each other. You can find it here: https://community.ring.com/. All the best, Nicole from Ring.

    by|Apr 5, 2024
      caret
      Q:How long do the batteries typically last?
      by|Feb 6, 2024
      1 Answer
      Answer This Question

      A:  Hello Mcmartin, Great question! The battery can last up to three years, depending on use. Here is a helpful support article with more detailed product information regarding the battery: https://ring.com/support/articles/d46gw/Replacing-Contact-Sensor-and-Motion-Sensor-Batteries-Gen-1. We invite you to reach out to our Community if any additional information is needed regarding your question. The Ring Community is our first peer-to-peer community forum, giving our customers the ability to help one another by sharing their feedback and experiences with each other. You can find it here: https://community.ring.com/. Thank you, Alexis with Ring

      by|Feb 7, 2024
        caret
        Q:Will these work with the Samsung Smartthings hub which has z wave also instead of the base station?
        by|Jan 27, 2024
        1 Answer
        Answer This Question

        A:  Hi Joseph. Good question. The Ring Alarm Base Station is required to enable the Ring Contact Sensor (2nd Gen) features and functions within the Ring app. Ring Alarm Contact Sensor 2nd Gen is a wireless sensor for the Ring Alarm system that provides users with the ability to know when a door or window is open or closed. Learn more here: https://ring.com/support/articles/mb0pe/Ring-Alarm-Contact-Sensor-2nd-gen-Z-Wave-Technical-Manual. We invite you to reach out to our Community if any additional information is needed regarding your question. The Ring Community is our first peer-to-peer community forum, giving our customers the ability to help one another by sharing their feedback and experiences with each other. You can find it here: https://community.ring.com/. All the best, Nicole from Ring.

        by|Jan 29, 2024
          Showing 1-4 of 24

          Customer Reviews

          4.4 out of 5

          • 4.4 out of 152 reviews
          • 94% recommend this product
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          Added this to my existing system. It worked great - no problems with set up.
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          Excellent ring monitors
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