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Chamberlain Home Perimeter Motion Wireless Sensor and Alert System

$41.29
The Wireless Motion Alert system creates an expandable safe perimeter anywhere and is ideal for homes, businesses, worksites or any other property with no fencing. A base monitor communicates with a weatherproof outdoor sensor with an adjustable sensitivity control. It can support up to seven additional sensors (CWPIR) for a radius of up to 30 ft. and can detect signals up to 1/2 mile away. This convenient safety and security system use passive infrared (PIR) to alert with a unique light and sound pattern to identify which sensor has been triggered. Easy, wireless installation and programming make it simple to install anywhere.