Features: 100% brand new and premium quality. Wireless infrared motion sensor with an loud alarm sound of 105dB. More than 30m long-distance and multi-channel wireless remote control, convenient to use. Accurate identification. Owner identification delays alarm, achieving high precision rate. Easy to install with adjustable mounting bracket. Suitable for various environments such as homes, offices, yards, shops, and etc. Specification: Condition: 100% Brand New Material: ABS Color: White Operating Voltage: DC 6V Battery: 4*AA(Excluded) Detection Distance: 10m Detection Angle: 120° Remote Control Distance: >30m(Open) Alarm Sound Level: 105dB Package Weight: Approx.185g/6.5oz Package List: 1 * Alarm Sensor 2 * Control 1 * Mounting Bracket Note: 1. During installation, please pay attention to the angle and height of the detector's horizontal plane, which has a great impact on the protection zone. 2. During installation, please avoid putting the infrared remote alarm close to the cold and heat sources like hot and cold air outlet, air conditioning air outlet, electric heater, air cooler, etc., and avoid putting it straight to the door. 3. There shall be no barriers in the protection zone of the infrared remote alarm. 4. There shall be a 10~30° angle between the infrared remote alarm and the wall, but the angle may as well be adjusted depending on the actucal mounting circumstances.