Ring Alarm Contact Sensor (1st Gen)

Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open.

*Requires the Ring Alarm Base Station.

£19.00 inc VAT

In stock


Ring Alarm Contact Sensor (1st Gen) is compatible with the following systems:
Wi-Fi Compatible DeviceWorks with Alexa

For more information, visit the Ring Compatibility section.

EAN / Barcode: 842861107999


Ring Alarm Contact Sensor

Make sure the doors and windows are shut

The Alarm Contact Sensor connects to your Alarm Base Station and easily mounts to any door or window frame in your home. Choose to get audio or mobile notifications whenever your doors or windows open, so you’ll always be the first to know when something’s ajar.

Requires the Ring Alarm Base Station
Triggers your Alarm if someone tampers with Contact Sensors and the system is armed in Away or Home Mode.


3V lithium battery included
Battery life
Approximately three years*
Z-Wave (76-metre range to Base Station)
Mounts to doors and window frames
Maximum distance between sensors
1.27 cm
Setup requirements
Ring Alarm Base Station (sold with Alarm Security Kit)


*Actual results may vary based on factors such as usage, location, and the environment.

Alternate Model Numbers





Product Specifications

Physical and Performance Attributes

Weight110 grams

Contact Sensor – 8.2 cm. x 2.5 cm. x 2.4 cm. (3.23 in. x 0.98 in. x 0.94 in.)

Mounting TypeSurface Mounted
Operating Temperature0°C to 49°C (32°F to 120°F  )

Electronics Attributes

Battery Life (Estimated)8 Months per charge