Description: 5 Blue LED Toggle Switches with overload, over-current and short circuit protection. Dual USB (DC 5V/2.1A, 5V/2.1A) for charging phones, tablets, cameras, GPS, MP3, etc. Digital voltmeter can display the battery votagle. Easy to install, can be installed horizontally or vertically (Horizontally optional). Universal for12V-24V vehicles, yacht, marine, boat, car, truck, bus etc. Specification: Material: ABS, Aluminium Plate Item Color: Black Switch LED Color?Blue Voltage: 12V-24V USB socket output: DC 5V / 4.2A(total) Operating Temperature: -25 degree to 80 degree Water resistance: IP65 Voltmeter detection range: 6-30V Package Includes: 1 Piece Toggle Switch Control Panel Note: 1. Please allow slightly difference due to manual measurement. 2. Color may be slightly different since different monitor. Thanks