Fangrui Product Details 1. Single Beam Infrared Radiation Detector Automatic Door Light Sensor Burglar Alarm Infrared Alarm Detector 2. Detection Range:10-20m 3. Voltage:dc 12-24v 4. Outdoor Warning Distance: 10m 5. Indoor Warning Distance: 20m 6. Induction Speed: 50ms 7. Alarm Output-general: Normally Closed And Normally Open (nc&no) Contact Capacity Avdc 30v0.5ma 8. Alarm Linkage: Yes 9. Working Voltage: Dc 12-24v 10. Shell Material: Pc 11. Product Size: 7.6x4.9x2.9cm 12. Anti-glare Up To 50,000 Lux, Built-in Automatic Adjustment Of Strong Light Filtering System To Avoid The Influence Of Glare Or Car Light 13. The All-weather Integrated Structure Of Fully Sealed Rainproof (fog), Dustproof (worm), Etc. Makes It Work Normally In Harsh Environments 14. The Detector Will Automatically Increase The Sensitivity When Encountering Dense Fog Or Bad Weather (agc Circuit) 15. High Level Of Rfiemi Resistance 16. Unique Digital Filter Circuit Design 17. High-power Transmitting Device, Photographic Margin Is Up To High-power Infrared Receiving Tube, Low-power Processing Technology Lightning Protection Circuit Design 18. With Rain Cover Design 19. C Type Relay Output 20. The Beam Interception Period Can Be Adjusted To Make It More Flexible And Adaptable 21. Professional Anti-interference Optical Cover