**IMPORTANT** Sensor only usable with tattletale Portable Home Security System

Use the key fob to arm your tattletale from anywhere within its 500' perimeter. Arm your perimeter sensors with the home button, arm all sensors with the away button, disarm your unit with the lock button, and toggle chime mode with the bell button. By pressing the home and away buttons at the same time you will trigger an instant police or medical panic alarm. You can quickly and easily sync up to 25 key fobs to a tattletale Portable Home Security System.