The RCR-A is a range-controlled PIR radar motion sensor from Interlogix that is suited for providing powerful motion sensing in locations that may require additional protection from thieves or criminal activity. The RCR-A motion sensor offers an 80lb pet immunity, Coverage-on-Demand™ for detecting objects in the selected areas, range control technology, as well as a radar-only mode exclusively for stealth mounting, and a 50ft extended range. The RCR-A motion sensor also features a jumper switch for adjusting the range setting from 9-50ft, a white colored appearance, an ABS plastic body construction, plus a 5.8GHz microwave frequency, and a 0.5 ft./sec. to 5 ft./sec target velocity. This professional motion sensor is ideal for commercial, residential, and pet locations, and can be installed without complications.