1.Widely used in the operating room of hospital and laboratory. Featured with user-friendly control and preventing the hand pollution. 2.Active infrared ray of modulation-demodulation controlled by microcomputer 3.Action time：Relay output≤45ms, Supervisory signal：4.5mA Power input：12-36V AC/DC Power consumption：82mA, Eletrci eye：149（L）*13（Diameter）mm Outer cover：186*175*60mm,Internal size：118（L）*100（W）*54（D）mm（Hole）