20M Infrared Beam Sensor Alarm - Wireless Single Beam Detector for Access Control & Security | Ideal for Home, Office, and Warehouse Protection

Features:1. This infrared radio alarm emits a switching signal through the built-in relay operation. When the emitted infrared beam is blocked, the relay will send a switching signal, and the signal can be set to normally open or normally closed2. The infrared sensor is made of high‑quality materials, which has high precision, stable performance, high sensitivity, can be use for a long time3. The infrared detector has extensive applications, available for road gates, automatic door, mechanical operation safety protection, access control, security system and more4. Installation height should be more than 20cm. Installation distance between the transmitter and the receiver should be no less than 2m. The infrared protection device should be placed vertically and on the same horizontal line5. When installation, first install the receiver, and then install the transmitter. When they are in the same horizontal line, the OFF light in the receiver is OFF state, and then fix, the installation is completed after connecting the wiresSpecification:Item Type: Infrared DetectorDetection Distance: 20 metersOperating Voltage: 12VDCSupply Current: >50mAPackage List:1 x Transmitter1 x Receiver1 x Screw Accessories Package1 x English Manual