Chamberlain CWPIR Add-On Motion Alert Sensor 1/2 Mile Drip Irrigation watertight roof membrane that expands

watertight roof membrane that expands and contracts with the roof surface

High chemical and corrosion resistance

"MAN O' WAR" GLOSS MARINE SPAR VARNISH

Non-marking eight inch rear wheels

Chamberlain CWPIR Add-On Motion Alert Sensor 1/2 Mile Drip Irrigation watertight roof membrane that expandsHighlights: 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