Ring Sensors: Sensor Type - Inductive Proximity, General Purpose; Sensing Range - 5 mm; Voltage Range - 4.75-30V DC; Shielding - Unshielded; Connection Type - Solder; Output Mode - N.O. NPN; Construction Style - Ring Style; Material - Polyamides; Switching Frequency - 500 Hz; Load Current - max - 25 mA; Temperature Rating - min - -10 deg C 14 deg F; Temperature Rating - max - 65 deg C 149 deg F; Manufacturer Series - Basic