XS6 M30 sensor OxiSense XS line 15 mm nominal sensing distance with frontal detection face 1 yellow status LED 3-wire design 4 pin male electrical connector M30 x 1.5 thread with 52 mm (2.05") threaded length Ambient air temperature for operation: -13°F to 158°F Ambient air temperature for storage: -40°F to 185°F