Barrel Mount Sensor, Micro 4-Pin Integral QD Connection Type, IP69K Ip Rating, Infrared Led Light Source, Polycarbonate (Lens);Thermoplastic (Housing) Material, Nema 6P Nema Rating, Dark Operate Operating Mode, -40 to +70 °C Operating Temperature Range, 3.36 In;85.3 MM Overall Width, SPST Pole Throw Configuration, 16/8 MS (On/Off) Response Time, 20000 MM Sensing Distance, Diffuse Sensing Method, Completely Epoxy-Encapsulated to Provide Superior Durability, Designed to Meet Rigorous IP69K Standards For Use