Position Indicating Switch, REED, Switching Current 20 mA, Switching Voltage 10 to 30V DC, For Bore Dia. 32 to 125mm, Function Normally Open NPN, Lead Length (Ft.) 9.8 ft, Temp. Range (F) -4 Degrees to 178 Degrees F, Enclosure Type IP67, Display LED Indicator Light, Number of Wires 3