Beam Infrared Detector/Photo IR Beam Sensor with door used/Alarm system Technical Parameters: Model : Single beam Product Name : Beam sensor Color : Black Wave length : 940nm Operating Voltage : 12-24V DC Detection distance : ≤20M ( indoor 20m. Outdoor 15m) Frequency : 1.92KHz Operating Temperature : -25℃ ~ 55℃ Dimensions : 49.2 x 76 x 21.6MM waterproof level : IP55 Function : Alarm & Gate
