Block Style: Type - Photoelectric Retroreflective; Sensing Range - 13ft (4m); Voltage Range - 10-30VDC; Output Mode - Light/Dark Operate; Output Configuration - NPN; Connection Type - Connector, 4-pin; Connection Size - M8x1; Construction Style - Compact, Threaded Base; Sensing Position - Side; Response Time - 1ms; Beam Type - Visible Red; Material - Stainless steel; Enclosure Rating IEC - IEC IP67; Temperature Rating - -25 to 55degC (-13 to 131degF)