1、Waterproof Aluminum Alloy Rocker Switch Panel: This 4 Gang rocker switch box is made of high strength aluminum with a waterproof design, ensuring reliable operation and longer lifespan. It protects switches from short circuits and damage, making installation easy. 2、Multifunctional Design: Integrated with 4x20 Amp rocker switches and a PD Type C and QC 3.0 USB charger with LED voltage display, this switch box is suitable for cars, trucks, boats, RVs, trailers, UTVs, ATVs, etc. It allows full speed charging for two devices simultaneously. 3、Easy Installation: The surface mountable switch box can be mounted on dashboards, under dash, center consoles, or any other location in the vehicle. The bracket is adjustable up to 360 degrees, providing more installation options. 4、USB Charger and Voltage Display: The PD Type C and QC 3.0 USB charger charges devices faster . The built in voltage display on the USB charger shows clear current readings of the working voltage, allowing easy monitoring of the vehicle's voltage status. 5、Wide Compatibility: Control up to 4 different devices with these switches including LED light bars, tail lights, fog lights, driving lights, headlights, offroad lights, etc. Includes DIY stickers and glow in the dark stickers for specific needs.