Use as a key fob - Automatic deactivation of the system when approaching - At the touch of a button: activation, deactivation, night mode, panic alarm - Presence display via smartphone app Scope of delivery: KeyFob with battery, keychain ring Operating voltage: 3 V DC Battery type: CR2032 Operating temperature: 0 to 45 °C Dimensions (Ø x D): 34 x 10 mm Somfy system radio (encrypted): 868.1-869.5 MHz Compatible with: Somfy One, Somfy One +, Somfy Home Alarm, Somfy Home Alarm Premium