Description: Reliable Range: Detection range of the infrared sensor is approximately 8m/26ft to effectively keep you alerted. PIR Technology: Uses state-of-the-art passive infrared (PIR) sensor to detect any movement within the detection range. Perfect for long or hidden driveways and allows you a fore warning when guests (or intruders) are approaching. Remote Control: Comes with 2 controller, you can turn off the alarm sound by the controller, which make it more convenient for operation. Loud Warning Sound: 105db siren which is loud enough to wake you up. Easy Installation: Comes with axis bracket, easy for install. Please install the bracket 2 meter off the ground. Specification: Material: PP Alarm Size: Approx. 12x7x4.5cm/4.72x2.76x1.77 inch Controller Size: Approx.6x3.5x1.6cm/2.36x1.38x0.63 inch Power: Battery (not Included) Alarm Voice Level: 105dB for 30s Package Includes: 1 Piece Alarm 2 Piece Remote Controller 1 Piece Installation Bracket Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color tone of the pictures and the actual item.