Features:1.Single Beam Infrared Sensor with high levels of anti-RFI / EMI capability.2.Sealed design to anti-rain(fog), dust(worms) and other integrated weather, the detector sensitivity will increase automatically(AGC circuit).3.High-powe-r transmitter, sensitivity surplus degree up to 90%.4.High-powe-r infrared receiver tube, low-powe-r process technology.5.Adjustable of beam interdiction period, to make it more flexible and adaptable.6.When interrupt, the relay output switch signal without voltage.7.Professional anti-jamming optical housing.Specifications:Power Supply: DC/AC 12 to 24VWork current : 50MAtemperature : +50~ (-30)Water Proof, UV proofSize : 49.2 x 76 x 21.6MMDetector Area: indoor 20m. Outdoor 10mPackage Included:1 x Single Beam Infrared Sensor Transmitter1 x Single Beam Infrared Sensor Receiver1 Bag Install Accessories1 x English Usage Manual