Single Beam Photoelectric Detector Active IR Sensor

This is Active Infrared Detector.Install each pair at the opposite positions.Then there is a infrared area between these two detector parts. When someone passes the infrared region, the detector will send alarm signal to the security alarm host (which not included here). Install Distance(Max.)in the above chart means the maximum install distance between the two detector parts. Great to be installed for security system in school, office building, hosipital, home yard, etc. Detecting range can be reduced to 30% in bad weather conditions, like rain, dust, etc. English Usage Manual included in the pack. It will give you detailed instructions. Specifications: Product Name: Active Infrared Detector Type: Single Beam Install Distance(Max.): <20m (Range will be reduced to 30% in bad weather condition:fog,rain,dust etc.) Infra-red Frequency: 1.92Khz Power Supply: DC/AC 12 to 24V Wave Length: 940nm Input: RX 15mA~TX 30mA Operating Temperature: -20C to 70C Relay Output: 1A 30V max. Sensor Angle: <+-10 Size (Each One): 49.2*76*21.6mm Color: Black Housing Material: Plastic Shape (Each One): Half Egg Shaped Net Weight: 20g Package Content: 2 Pair x Active Infrared Detector 2 x English Usage Manual 2 Bag x Install Screws