30 amp, Momentary On-Off-Momentary On Rocker Switch. It comes with built-In jumper bars for polarity reversing. Simply connect power and ground and two DC motor leads and the switch will reverse the motor direction. This heavy duty switch mounts in a .83 x 1.48 inch hole and it has 1/4 quick connect terminals. Internal gasket keeps water & dust out of contacts. Black body and button.