Features: Function: Anti-retardant, high temperature, corrosion resistant, durable, easy to change. Advantage: Fast charging, more than double the protection Material: Cover with a waterproof cover when not in waterproof, dustproof use. Devices: Dual USB high-current car charger, large capacity. Application: With blue LED lights, load faster and safer. Description: Easy to install and durable. Anti-retardant, high temperature, corrosion resistant, durable, easy to change High-end switch with LED indicator light. For car, bus, truck, SUV, ATV, motorcycle, RV, etc. Specifications: Color: blue, red LED Material: Environmental anti-tarnating materials Input power DC 12 V-30 V Voltmeter measurement range: 6 V-28 V Output power: DC 5 V Output current: 4.2 A (2.1a 2.1a) Working temperature: -40-60 degrees Package Includes: 1 x dual USB car charger 2 x 60cm line