The double hole automobile cigarette lighter socket is applicable to motorcycles, boats, lawn mowers, tractors, automobiles, etc. DC 12V-24V. Input: 12V-24V. Exit : 12V15A, 24V10A. Maximum power : 240W, widely used in mobile phone car charging, GPS charging, car audio, car MP3 power supply, car vacuum cleaner power supply, car tire inflation power supply, etc. The red wire is connected to the positive side of the power supply and the black wire is connected to the negative side of the power supply. Installation is simple and convenient. Easy to install and use. Dust-proof design, away from dust, the waterproof effect is good. The plug is splash-proof and dust-proof, and the cover is very firm. Note : The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.