Multi-Function Switch Panel: The product integrates two USB chargers, a digital voltmeter, a 12v outlet, a waterproof panel and 5 rocker switches, this 12v/24vdc switch panel can meet your different needs Safety protection: the voltmeter Real-time LED displays voltage status. Pre-wired design with 15a fuse gives you overload, overcurrent and short circuit protection Wide Application: This switch is suitable for 12v-24v system, widely applicable to most DC 12v-24v cars, TV/ATV, trucks, trailers, RVs, caravans, buses, sea boats, yachts, airplanes, etc. Easy installation Pre-wired and four mounting screws Waterproof IP65: Waterproof marine switches work well in marine environments with splash panel, waterproof cap Package includes: 5 Gang Pre-wired Switch Panel Fit Type: Universal fit