Open Window Magnet for Ring Alarm 1st Generation
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$4.99
Take up to 18 months to pay with as low as 0% APR on some term lengths and no late fees. Prequalify now.Security that’s open and shut.
The Alarm Contact Sensor connects to your Alarm Base Station and easily mounts to any door or window frame in your home. It sends you mobile alerts whenever your doors or windows open, so you’ll always be the first to know when something’s ajar. Subscription required, sold separately.1
- Requires Ring Alarm or Ring Alarm Pro Security Kit.
- Triggers your Alarm when someones tampers with Contact Sensors.
Tech Specs
Supported Devices
Requires Ring Alarm Contact Sensor (sold separately)
Requires Ring Alarm or Alarm Pro (sold separately)
Size and Color
3.2 in. x 0.5 in. x 0.68 in. (8.13 cm. x 1.27 cm. x 1.73 cm.)
White
Installation
32°F to 120°F (0°C to 49°C)
General
Ring Alarm Contact Sensor Magnet
Mounting Hardware
User Manual
Amazon Customer Reviews
How customer reviews and ratings work
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, Amazon doesn't use a simple average. Instead, Amazon's system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on Amazon
1Ring Alarm and all Ring Alarm accessories require a subscription for in-app features and digital notifications, including digital arming / disarming and integration with other Ring, Echo, Alexa, and third party products. Subscription sold separately. View ring.com/protect-plans for pricing and details.
