The Ajax MotionProtect Curtain Jeweller is a wireless curtain-type indoor motion detector designed to monitor narrow areas such as windows, doors, or passages using two PIR sensors and a narrow detection angle. With secure Jeweller radio communication, intelligent signal analysis to reduce false alarms, and a wireless range of up to 1,700 m, it provides reliable perimeter protection inside buildings. Package contents: MotionProtect Curtain Jeweller, SmartBracket mounting panel, side mounting bracket, installation kit (mounting accessories), CR123A battery (pre-installed), quick start guide.