The ELK-319PIRW Wall Mounted Motion Sensor and ELK-319GB Glass Break Sensor are the latest additions to ELK’s 319 Series wireless sensors. The ELK-319PIRW offers a detection range of up to 40 ft with selectable sensitivity, pet immunity up to 22 lbs., and a built-in tamper switch. The ELK-319GB offers a detection range up to 20 ft. with selectable sensitivity and a built-in tamper switch. Utilizing the 319.5 MHz operating frequency, ELK’s full line of 319.5 MHz wireless sensors are compatible with many popular systems, including ELK’s M1 Controls. ELK’s 319.5 MHz sensors are also ideal for existing Interlogix systems in need of replacement sensors.