Nilight 5PCS ON Off Round Rocker Switches SPST 20mm Mini 12 Volt DC 2 Pin Circle Toggle Switch with 160mm Wiring Harness 12V Switch Wired for Car Automotive RV Truck,2 Years Warranty. The Round Switch is 2 pin ON OFF SPST design (single pole single throw), with 10A 125V AC and 20A 12V DC Rating. Lifetime can up to 500,000 cycles, durable and antirust.