ABO-20L Single Beam Detector Active Half Egg Beam Infrared Detector Photoelectric Sensor, Detect Distance: 20m

1. Single beam active intruder infrared detector with buit-in AGC control circuit.Can effectively prevent sunlight. 2. Beautiful structure,small size,easy to install. 3. Totally-sealed rainproof and mothproof design. 4. Can be widely used for access control system, parking lot, defence wall,door and window, balcony, garage, passage and other places. 5. Note: The installation height should be lower than people???please also consider the height of the child for security.