... :NPN or PNP,NO/NC; 2.Wiring:DC 2/3 wires,AC 2/3 wires; 3.CE certification. SG series Photo Switch,Photoelectrical Sensor ... and struction can be changed directly with foreign similar products.2, Inspection mode:direct reflection,diffuse reflection,opposed type,and tank ... distance within 5cm--10m selectable.4, Wiring:DC 2/3 wires,AC 2/3 wires,standard cable and interface,various dimensions available ...