Features:
100% Brand New and High Quality
Technology: Infrared
Range can be reduced to 30% in bad weather conditions: fog， rain， dust，etc

Specifications:
Receiver range : less than 20m
Infra-red frequency: 1.92KHZ
Power supply: 12V DC
Wavelength: 940nm
Input:RX 15mA-TX 30mA
Operating temperature: -20-70 C
Relay output: 1A max 30V
Color: Black
Net weight: 120g

Package include:
1 x Infrared sensor (transmitter & receiver)
Some Mounting screws