Chamberlain CWPIR Add-On Motion Alert Sensor 1/2 Mile Motor Arbor & Mandrels Can be applied directly over

Can be applied directly over firm rusty surfaces

Contents : (1) Schumacher PC-1000 power converter

Preset switch for on/off control of lights

Side loading magazine

Finish : Double hot dipped galvanized

Chamberlain CWPIR Add-On Motion Alert Sensor 1/2 Mile Motor Arbor & Mandrels Can be applied directly overHighlights: 1 2 mile range Transmits signal to base station up to a half mile away Detects motion up to 30 feet away with wide 120 degree coverage Adjustable sensitivity controls help prevent false alerts Wireless, weatherproof design makes it portable for use inside or out Easy to install, use, and maintain Requires four AA batteries