Chamberlain CWPIR Add-On Motion Alert Sensor 1/2 Mile Floor Edging Patented SpotLite Pointing System and

Patented SpotLite Pointing System and audio tone signals when the stud edge is reached

Dual voltage input 120/240/277 VAC

100% acrylic technology

Easily adjusts in 6 in increments with a touch of the thumb

Made of heavy-duty molded plastic

Chamberlain CWPIR Add-On Motion Alert Sensor 1/2 Mile Floor Edging Patented SpotLite Pointing System andHighlights: 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