Photoelectric Sensors (Background Rejection, Block Style): Type - Capacitive Proximity, General Purpose; Sensing Range - 10 mm; Voltage Range - 19.2-28.8 VAC/DC; Output Configuration - N.O. (NPN); Connection Type - Cable; Connection Size - 1m (3.28 ft); Construction Style - Flat Rectangular Style; Sensing Position - Side; Shielding - Unshielded; Wires - Voltage Type - 3 Wire AC/DC; Material - ABS; Enclosure Rating IEC - IEC IP66; Switching Frequency - 70 Hz; Temperature Rating - 14 deg. to 131 deg. F (-10 deg. To +55 deg. C)