Description: It can be used in DC 12V Cars, SUV, Yachts, Boats, Motorcycle, Marine and so on Has waterproof and dustproof cover designed, can prevent water and dust into the switch, longer service life When the current of electric appliance is too large or short circuit, switch will jump to the OFF position, replace a load and restart, it can run again Dual USB charger can be used for mobile phones, tablets, GPS, car refrigerator etc. Cigarette lighter socket is power socket, it could be taken the electric, but can't be lighting the cigarette Specification: It also has LED indicator on the switch, easy to find it without turnning on the lights Input Voltage: DC12V Dual USB Output Voltage: DC 5V, 3.1A(2.1A+1A) Waterproof: IP66 Operating Temperature: -25?-80? Material: ABS Plastic Package Includes: 1 Piece Dual USB Socket 1 Piece Cigarette Lighter Socket (Power Socket) 1 Piece Toggle Switch