Quality Material: Made of durable flame-resistant hard plastic, resistance to high current and high temperature, and wear resistant. Value Package: 3 Cigarette Lighter Sockets and 3 the connectors. Enough for daily use. 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. The wire inline fuses to protect your plugs from being overloaded, safety and easy to install for daily use. Safe to Use: Any DC 12V/24V or high load capacity will be protected to burn when the current is to high. providing Short Circuit Protection, Overheat Protection, Overload Protection, IP66 Waterproof, Over Voltage Protection, etc. Wide Application: Cigarette Lighter Socket Set is perfect for car, marine boat, motorcycle, boat, riding mower, tractor, and other vehicles to supply power for GPS, mobile phone, camera, mp3, etc. Suitable for any DC 12V / 24V vehicles.