Features: 100% brand new and high quality Easy to install, and can be used compatible for all 12V-24V cars, trucks, buses, trailers, RV, etc. Multifunctional:4 Toggle switches, PD+QC3.0 USB Charger and LED voltmeter. USB port can charge phones, tablets, cameras, GPS, wireless headphones, etc. Voltmeter help you keep an eye on battery voltage, maintenance of the battery, extended battery life. Specification: Material:PC Color: Red,Blue,Green Rocker Switch: 4 Switch Type: On-Off Voltage: 12V~24V USB socket output: 5V 3.4A / 9V 2A / 12V 1.5A CertificationCE ROHS Package Included: 1 x Multi-Functions Switch Panel 1 x Labels 4 x Screws About 4 IN 1 Switch Panel A: Features: Easy to install, and can be used compatible for all 12V/24V cars, buses, RV, ships, yachts, etc. Charge 2 Devices at High Speed Simultaneously,4x faster charging speed than other! Total Power Up to 120W 12V / 250W 24V & Car Cigarette Lighter Socket Plug With LED voltage monitoring function, it can automatically display the car voltage It conserves electricity and doesn't drain any power when switched off Specification: Material: PC Voltage: DC 12/24V Out Power:120-250W USB Out Power:18W+18W Color: Blue ,Green Interface: USB2.0 Item Type: Cables, Adapters & Sockets Size:As picture Package Included: 1 x Switch Panel 4 x Screws