A better life because of you are wonderful.Features:100% Brand New and High QualityTechnology: InfraredRange can be reduced to 30% in bad weather conditions: fog， rain， dust，etcSpecifications:Receiver range : less than 20mInfra-red frequency: 1.92KHZPower supply: 12V DCWavelength: 940nmInput:RX 15mA-TX 30mAOperating temperature: -20-70 CRelay output: 1A max 30V Color: BlackNet weight: 120gPackage include:1 x Infrared sensor (transmitter & receiver)Some Mounting screwsLove shopping and Love life