ELK319PIRW
Add extra security to your home or business with the Elk Wireless PIR Motion Sensor (Wall Mounted, 319.5 MHz) for the ELK-M1 and ELK-M1EZ8 Controls. This wall-mounted sensor utilizes the 319.5 MHz frequency and features selectable sensitivity and a built-in tamper switch. It has a detection area of up to 40 feet and works by sensing infrared energy emitted from a body as it moves through the sensor's field of view.