... ) Excellent service OEM.ODM High-tech ,good price Wireless Direction-Identifying Infrared Detector(DC3V)Main feature1.Microprocessor adopted2.smart direction-identifying technology3.Authentic ... instructionYellow LEDEmission frequency315/433Basic InformationBusiness TypeManufacture Product/Service (We Sell)Detector series,horn series,flash lamp,burglarsystem,security accessory series,CCTV ...