Photoelectric Sensors (Thru-Beam, Block Style): Type - Photoelectric Glass Fiber Sensor; Voltage - 10-30V DC; Output Mode - Light Operate; Output Configuration - NPN; Connection Type - Cable, 2 m (6.5 ft); Connection Size - 2m (6.5 ft); Construction Style - Miniature Rectangular; Beam Type - Infrared; Sensing Range - standard - 500.0 mm (20.00 in); Range - Reflective - 38.0 mm (1.50 in); Material - ABS Case, Acrylic Cover; Response Time - 0.7ms; Indication Display - LED Output & Power Indicators; Enclosure Rating NEMA - NEMA 6; Enclosure Rating IEC - IEC IP67; Temperature Rating - -20 to 70 deg C (-4 to 158 deg F); Manufacturer Series - World-Beam QS18 Series