Single Beam Infrared Through-beam Detector, Waterproof Infrared Through-beam Receiving Sensor $ 8.32 Product information Place of Origin: Shenzhen Whether to import: No Working voltage: 12V DC (V) Item No.: ZMT-K104 Brand: ZHIMEITONG/ Zhimeitong Alarm current: Consult customer service (mA)3 Detection angle: 180 degrees Quiescent current: Consult customer service (uA) Working temperature: -20 to 70 () Packing list Sensor x1