Product name: Aluminum alloy three-speed three-wire waterproof switch without light Product ModelNK-219 [product net weight]: 99g [Product gross weight]: 100g Product size: 4.2 x 3.3 x 5.8cm Product color: black [product material]: aluminum alloy material Input voltage: 12-60V [rated current]: 10A [Maximum power]: 220W [Product line length]: 55cm [Diameter of faucet buckle]: 22mm [Product Mode]: Three Gears [Three Lines] [Product function]: It can be used as a switch for headlights, LED spotlights, colorful lights, and auxiliary lights. [Applicable models]: It can be installed on motorcycles, electric vehicles, electric tricycles, motorcycle tricycles and other vehicles. Wiring method: mark a blue wire in the middle of the button surface, which is connected to the positive pole of the power supply, and the other two black and brown wires are the positive pole and come out to connect LED spotlights, near and far lights,and other electrical appliances. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.