Multi-Function designed: This switch box is integrated with 3 20 amps Rocker switches rated at 12VDC and a QC3.0 dual USB charger with LED voltmeter. Suitable for most 12V-24V DC cars, UTVs/ATVs, trucks, trailers, RVs, caravans, buses, marine boats, yachts etc Weatherproof Box: The switch box is designed to be waterproof,weatherproof and splash proof. The box is made of quality aluminum and protects the switches against short circuit and damage. All switches are pre-wire for easy installation PD Type C& USB Charger and Voltmeter: PD Type C and usb charger enable you charge two devices simultaneously at full speed. It works for all USB-powered devices. Makes the charger 40% faster than conventional chargers; The voltmeter is built in the center of the USB charger, clearly shows the current readings of working volts, easily notice the voltage condition of the vehicles Surface Mount: With surface mount enclosure. The box can be mounted either on the dash board, under dashboard, middle console or anywhere on the car. The bracket can be adjusted 360 degrees.This gives you more mounting options Wide Application: The switches allows you to control up to 3 different devices,such as Led Light Bars, Rear Lights, Rock Lights, Windshield Lights,Off road Lights, Sasquatch Lights, Zombie lights and Wench power, etc. The complimentary transparent and night glow stickers enables you to DIY the switch according to your preference. Package Includes: 3 Gang pre-wired switch box with USB charger and voltmeter, 1X transparent sticker,1X night glow sticker, mounting screws