Ajax Alarm System MotionProtect Curtain Model BD425W Narrow Beam Indoor Motion Protector – as soon as the intruder enters the MotionProtect Curtain’s field of view, the detector analyses signals from both the PIR sensors & immediately sends an alert to the user. Protects Windows, Doors and Valuables. European Quality Product with High Tech State of the Art Technology Plug & Play Installation. MotionProtect Plus is a Wireless Device. Compatibility: Operates only with Hub, Hub Plus, Hub 2 & ReX. Mobile App accessibility. QR code for easy connection to the system. Sensor Type: x2 PIR Sensor. Motion Detection Distance range: Up to 15 m Alarm signal: 0.15s delivery time. Jeweller Radio Technology: communication range with detectors up to 1700m in an open space. Two-way communication channel. Protection against fraud. Jamming Detection. Tamper-resistant. Operating Temperature Range: – 10°C to +40°C Dimensions: 134 x 44 x 34 mm Weight: 118 g Main Power Supply: 3 V Battery Life: Up to 3 years.