The TEMP-OUTDOOR digital temperature sensor is intended for outdoor or indoormonitoring of equipment or ambient temperatures. Temperature accuracy: 0.5 C from -10 C to 85 C. The TEMP-OUTDOOR sensor is attached to 25 of cable with an RJ-12 connector on the end. The sensor has a mounting ring and gasket to accommodate #6 or #8 hardware. The sensing elements are sealed for added protection from dirt and moisture.For use with Climate Guard and Plus-X EM Environmental Monitors, ARC Plus systems equipped with a Plus-X EM unit, and ARC Solo systems equipped with the STM-4D Temperature Module option.