PREMIUM MATERIAL: Car cigarette lighter socket cap with cover is made of durable flame-resistant hard plastic, will prevent your devices from over-heat, over-current, over-voltage, over-load, and short-circuit., work perfectly with any car powered devices. WATERPROOF DUST-PROOF: Waterproof and dustproof by a hard rubber cover and button, protects the internal circuit, also allows it do good job on boat! Just plug it into lighter plot, it will help you a lot in all kinds of work. WIDELY FITTED: 1.5m wire, easy to install. The red wire is positive and the black wire is negative, for any 12V motorcycle, ATV, boat, riding mower, tractor or car. Great add-on kit for motorcycle, ATV and tractor . EASY INSTALLATION: This cigarette lighter plug can be easily installed by connecting the red cable to the positive line of your car and connecting the black cable to the negative line. PRECISE SIZE: Cigarette lighter cap is applied to 2.1cm, 2.2cm cigarette lighter hole, universal fit for for US and Japanese cars. Suit for cigarette lighters to install in any car which is 2.1cm, 2.2cm cigarette lighter hole. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Please allow 0.1-1cm difference due to manual measurement, thanks Other accessory demos in pictures are not included. Size: Height 3.5cm Shipping color: black Shipment Quantity: 2