Product Name: 3 Beams Infrared Barrier Beam Sensor Model NO.: GF-GA03 Certification: CE Usage: Door, Window, Personal Type: Infrared Channel: 3CH Receive Frequency: 433.92MHz Transport Package: Carton Specification: 48.2x76 x21.6(mm) Origin: China Product Description Features:1.Adopt three aspheric surface lens,optical gathered, powerful,concentric.2.Adopt unique base design,easy to install.3.Light resistance reaches 50.00lux, built-in automatic adjustment light filtering system. avoid the influence from strong light or car light.4.Totally-sealed rainproof, dustproof,etc integration structure design make it work in the bad environment properly.5.Built-in Optical sight and particular conversion circuit design, easy to adjustment6.The beams intercept data cycle is adjustable, it can help the beams to be more flexible and with stronger adaptability.7.The receiver with5 LED signalstrengthindicator.( Calibration more accurate.)8.Horizontal/vertical Optical angle is easy to adjust and calibrate.9.Step precision fine-tuning, so that calibration is more accurate10.Photosensitive redundant reach up to 99%.11.Lightning prevention circuit design12.Use C model circuit failure output.Parameters: