Key FobKey fob automatically disarms your alarm and recognizes authorized users. It replaces the keypad used with more traditional security systems which helps to avoid accidentally setting off the alarm.Give a key fob to family members your housekeeper or trusted neighbours. It alerts you anytime someone enters or leaves your home. Its 4 buttons let you arm disarm or set the system to partial mode. It also has a 1-click panic button that sends a silent alert via email or SMS or triggers the alarm. To prevent false alarm automatic deactivation only works if you enter through a door which is equipped with an intelliTAGFeatures . Connects with Somfy One or Somfy Home Alarm via Bluetooth.Up to 50m wireless operating distance.1-Year Battery Life.. .