Monitors temperature on a bright LED screen. Same compact round size as a standard 12 VDC receptacle for many installation options. Installation is as easy as drilling a 1-1/8" hole, inserting the socket body, tightening the locking nut, and connecting the wires. Includes a prewired temperature sensor with a 6' cable. Reverse polarity protected. IP67 waterproof rating. Injection molded nylon. A 1-7/16" B 1-1/16" C 1-1/8" Volts 12/24