SABRE Remote Control Key FOB with Panic Button for WP-100 Wireless Home Security Burglar Alarm System MAXIMUM SECURITY  the compact remote control for the SABRE Wireless Home Protection System, allows additional users to control your SABRE system USER-FRIENDLY  4 button remote includes 4 modes (arm, disarm, alert and home) CONSUMER PREFERED  compact keychain design is lightweight and attaches directly to your keys WIDESPREAD PROTECTION  excellent transmission range, the key fob allows you to arm/disarm your system up to 300 feet (100M) away from the main panel EXTRA LEVEL OF SECURITY  panic button included for emergency situations (requires 1x12V battery, included)