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