Safety Protection This cigarette lighter male plug features a builtin 15A fuse offering overload overcurrent and shortcircuit protection. When the circuit fails the fuse cuts off the power immediately to prevent the plug from overheating delivering reliable safety assurance for invehicle power use LED Indicator This car battery charger kit features an LED indicator light that illuminates as soon as the cigarette lighter male plug is activated allowing you to easily check the connection status. You can use it quickly and accurately even in dim environments or at night Quality Material The shell of this car cigarette lighter plug is made of plastic featuring good insulation and wear resistance which effectively resists damage deformation and electrical leakage. The internal copper wire boasts excellent electrical conductivity with minimal current transmission loss Simple Installation The plug of this car cigarette lighter connector is presoldered for plugandplay use simplifying the wiring process. First disconnect the vehicles power supply then connect the adapters red wire to the positive terminal and the black wire to the negative terminal Wide Compatibility This cigarette lighter plug is compatible with most 1224V DC cigarette lighter sockets and works with various vehicles such as sedans trucks and SUVs. It can be used with multiple devices including car heated blankets heated cushions and car vacuums