Perfect Design - These switches are designed to connect and disconnect DC12V 20A electrical circuits at will, featuring SPST ON-OFF control with a 2-pole design (on/off) and a 3rd pole with LED for grounding. Fluorescent lamps will illuminate when the switch is turned on. Safety Protection - These car switches feature copper-plated silver contacts for excellent electrical conductivity and are constructed with high-quality materials and a fire-resistant housing for enhanced safety. Easy Installation - The yellow pin is for the light, the middle pin is for the negative (DC) or neutral (AC) line, and the remaining pin connects to your equipment. Requires only a 20mm mounting hole. Each small on/off switch includes a keyhole slot to prevent unwanted rotation. Widely Used - These LED rocker switches are suitable for various electrical applications including cars, boats, household appliances, communication devices, measuring instruments, gas water heaters, and lighting decorations. 5 Colors Random - The 12V round switch set includes 10 pieces in 5 random colors. 12V car switches are suitable for a wide range of applications. Commonly used in automobiles, racing vehicles, recreational vehicles, marine equipment, heavy-duty trucks, off-road vehicles, ATVs, and other devices powered by a 12-volt system. They can also be used with computer systems to control fans, lighting, neon lights, cooling systems, and other switch-required devices. Features: 1. Easy installation – Requires only a 20mm hole; no square cutouts needed. 2. Includes a keyhole slot to prevent unwanted rotation. 3. Available in 5 colors for easy identification. 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 10,000 cycles Mechanical life: more than 50,000 cycles Operating temperature: T85 Package Includes: 10 x Small illuminated round rocker switch Note: The LED draws 8 to 10 mA depending on color. When using a power source above 12V, connect a resistor in series with the yellow pin; do not connect directly to the power supply.