Perfect Design- These switches are designed to connect and disconnect DC12V 20A electrical circuit at will, SPST ON-OFF control, 2-pole design (on/off), 3rd pole with LED to connect to ground. Fluorescent lamps will be on when the switch is turned on Safety protection - This car switch uses copper-plated silver contacts, has good electrical conductivity, and uses high-quality materials and a fireproof housing for high safety Easy Installation - The yellow pin for light, the middle pin for negative (DC) or null (AC) line, the rest pin for your equipment. Just need a 20mm hole if inserting. The small on/off switch comes with a keyhole slot to prevent unwanted rotation. Widely Used- These LED rocker switches are widely used for kinds of electrical products, cars , boats, household appliances, communication devices, measuring instruments, gas water heaters and light decoration, etc. 5 colors random- The 12V round switch set comes with 5 random colors, total is 10 pieces. 12v car switches are available in many applications They are currently used in automobiles, racing cars, vehicles recreational, marine, heavy-duty trucks, off-road vehicles, ATVs, and just about anything that uses a 12-volt power source. That's right, you can even run them on your computer to activate fans, special lighting, neon lights, special cooling systems and just about anything that requires a switch. Features: 1. easy installation. All you need is a 20mm hole and the switch will fit snugly; no more square cutouts. 2.Our switch comes with a keyhole slot to prevent unwanted rotation 3.Come with 5 colors to recognize < p>Specifications Material: PA66 + H62Cu Dielectric strength: 1500 V (minimum) Insulation resistance: 100 Megohms (minimum) Working voltage: AC 150V/250V, DC 12V Working current: 10A/16A Electrical life: more than 10000 cycles < p>Mechanical life: more than 50000 cycles Operating temperature: T85 Package including: 10 * small illuminated round rocker switch Note: The LED consumes 8 to 10 mA depending on the color. If using more than 12V, put a resistor in series with the connection to the yellow colored pin, do not connect directly to a power supply