State-of-the-art Chamberlain Wireless Pedestrian & Vehicle Alert System features adjustable infrared sensors that transmit signals up to a half mile to the receiver, and detect motion up to 30 feet away! Perfect for private roads, long driveways or an extra sense of security around garages, decks, patios, businesses, storefronts, entryways and outbuildings. Sensor/transmitters are rugged and weatherproof. Easy to install, no wiring required. Meets or exceeds all federal regulations. Easily expands to work with up to 4 transmitters, or run two or more complete systems to monitor 8 or more areas at once. Set includes one receiver and one transmitter. Runs up to 12 months on one set of 4 AA batteries (not included).
12 months parts / 12 months labor