Mace Motion Alert with Keypad

Dual-purpose passive infrared alarm detects movement in any selected area. Two modes of operation allow it to function as a door chime and also a 110dB alarm. The alarms programmable keypad offers added security as you control the access code. Adjustable sensor head rotates so you can selectively choose the area covered. Low battery indicator alerts you when the battery needs to be replaced. Comes with complete mounting kit and instructions. Requires one 9-volt battery (sold separately).