Contact TypePolish: SPST; Terminals: 3 pins (ON/OFF); Tension: DC 12V; Fluent: 20a; Mechanical life: more than 50,000 cycles. Electrical life: over 10,000 cycles. Mounting Hole SizeMounting Diameter: 20mm/0.8in; Outside diameter: 23mm / 0.9in. Total length: 30mm / 1.2in. The 12V round switch comes with a clamp slot to prevent unwanted rotation. High quality The toggle switch control device uses silver-plated contacts, which has good conductivity and uses high-quality materials and flame-retardant shells to improve safety. Wide application The round toggle switch is very suitable for electronic equipment inside and outside of automobiles, household appliances , motorcycles, ships, truck trailers, etc. Package Includes10 piece LED Rocker Switch in 5 colors (red, blue, green, yellow and white), two of each color . Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to actual item received.