Ring Alarm Contact Sensor (UK) Door and Window 4SDAE9-0EU0

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
• Compatible with 1st and 2nd generation Ring Alarm devices and accessories
• Triggers your Alarm if someone tampers with Contact Sensors and system is armed in Away or Home Mode
• Mounts to door and window frames
• 3V lithium battery included battery life approximately three years
• Dimensions: 8.2 cm. x 2.5 cm. x 2.4 cm. (3.23 in. x 0.98 in. x 0.94 in.)

This product is non-returnable