Wireless Driveway Alert System 400 Feet Range by Bunker Hill Security

Description

The wireless receiver in your home will chime when the infrared driveway alert sensor outside detects motion, so you’ll be prepared for that unexpected knock at the door or beep in your driveway. Wireless motion sensor mounts outside on a post or wall, and you can set the receiver anywhere in your house (within 400 ft. of the sensor). Requires one 9 volt and three C batteries (sold separately) NOT INCLUDED