MotionProtect Curtain Jeweller is a wireless motion detector designed for indoor perimeter monitoring of areas such as windows or doors. With a narrow detection angle (6°) and a range of up to 15 m, it effectively protects against unauthorized access. It uses dual PIR sensors and a signal correlation processing feature to minimize false alarms. The device connects to the Ajax system via the Jeweller protocol, offering a communication range of up to 1,700 m. The pre-installed battery provides up to 3 years of autonomous operation. Available in black and white.