Dual USB charger+Voltmeter+12V outlet+5 Switches Product integrated with a dual USB charger, digital Voltmeter, 12V outlet, waterproof panel, and 5 on/off toggle switches, this 12V/24V electrical panel can meet your various needs and widely applicable for most 12V-24V DC cars, UTVs/ATVs, trucks, trailers, RVs, caravans, buses, marine boats, yachts, airplanes, etc. Backlit: Blue/Red; Installation: pre-wired; Material: Panel:Aluminum, Switch:ABS&PC; Voltmeter display range: 12- 24VDC; USB socket output: DC 5V (2.1A/2.1A)