Product Name: Garage Door Safety Sensor Photo Eyes Model NO.: GF-GA02 Certification: CE Usage: Door, Window, Personal Type: Infrared Channel: 1CH Receive Frequency: 433.92MHz Transport Package: Carton Specification: 48.2x76 x21.6(mm) Origin: China Product Description Parameters:NameSingle Beam Active Infrared DetectorDetection range≤20mResponse speed50msecInfrared frequency1.92khzPower supplyDC10.5~24VWave length940nmCurrent comsumption40mA Max/DC12VInfrared angle<±10°Operating environmentTemperature: -25ºC~+55ºCHumidity:RH 95%Ralay output1A MAX 30VProduct size48.2×76 ×21.6(mm)Features:1.Adopt aspheric surface lens, optical gathered, powerful,concentric.2.Light resistance reaches 50.00lux, built-in automatic adjustment light filtering system. avoid the influence from strong light or car light.3.Unique Optical Design:The photoelectric beams have the ability to penetrate compound glass.4.When meet the bad weather and fog. the detector will enhance sensitivity automatically to distinguish circuit.5.Special structure design make it work in the bad environment properly6.Use C model circuit failure output.