Indoor 20m, Outdoor 10m 12-24 VDC waterproof Size : 49.2 x 76 x 21.6MM Work current : "50MA Indoor 20m, Outdoor 10mTechnical Specifications: Single-beam active infrared SensorPB-10KD 10 meters PB-20KD 20 meters detector area : 10meters, 20 meters work voltage:12V,24V Work current : "50MA temperature : +50~ (-30) Size : 49.2 x 76 x 21.6MM