Review on 🚤 WATERWICH Marine Boat Car 6 Gang Toggle Rocker Switch Panel with LED Voltmeter and Car Charger - Waterproof, Ignition Control, 12V/24V Circuit Breaker - Ideal for RVs, Vehicles, Trucks by Nathan Tsugawa

One thing that may or may not be an issue is that there isn't much room around the bezel. You have to be very precise when cutting the hole because you don't have much room to mess. However, if you use a spacer as a template and are careful, this doesn't pose much of a problem. More annoying is the second point, since the power meter (voltmeter) is practically useless in direct light. It reflects light on LCDs and is utterly useless unless it's in the shade. In a booth or shaded area this is probably fine, but don't rely on being able to read the voltage in any form of direct or even reflected light. The switches work even though the blue LEDs are on all the time, so there is a constant current draw. If you can't turn off all power to the box, the circuit breaker on the incoming main power line is working fine.