AJAX DETECTOR WRL MOTIONPROTECT/CURTAIN BLACK 14287

Narrow beam indoor motion detector. Protects windows, doors, and valuables. With the MotionProtect Curtain detectors, you can secure the perimeter of your house and freely move indoors. If a stranger breaks in, the system will raise an alarm and call the security company.
— Detects motion with a range of up to 15 meters
— Works up to 3 years on the pre-installed battery
— Transmits alarms at a distance of up to 1,700 meters away from the hub