"Heavy-duty rocker reversing switch simplifies wiring all 12V DC motor linear actuators. Built-in polarity reversing circuit makes drive-out/drive-in linear actuator control easy. Simply connect power, ground and two DC motor leads and the switch will reverse the motor direction when operated. U.S.A. Overall Dimensions L x W x H in. 1 5/8 x 1 1/4 x 13/16, Application Actuator accessory. Switch has 30 Amp maintained contacts Built-in polarity reversing circuit Switch operates On-Off-On Mounts in a 0.83in. x 1.48in. hole Has 1/4 quick-connect terminals"