Chamberlain Wireless Pedestrian & Vehicle Alert System with Receiver — 900ft. Transmission Range, Model# RWA300R

Protect driveways, garages, decks, patios, businesses, storefronts, entryways and outbuildings. State-of-the-art wireless alert system features adjustable infrared sensors that transmit signals over 900ft. to the receiver — and detect motion up to 30ft. away! Easy to install, no wiring required. Meets or exceeds all federal regulations. Easily expands to work with up to 4 sensors, or run two or more complete systems to monitor 8 or more areas at once. Set includes one receiver and one sensor. U.S.A.