This panel was installed in a project boat but never powered up or used. It's a combination of a 5203, 5202, 5306, and 5302 paneltronics panel, and was put together in the factory with their frame around it. It's setup for dual 30a input, inverter, and generator but can be reconfigured. Comes with 36 dc breakers, and 24 AC breakers. The outside dimensions of the frame are 24.25" wide, and 23" tall. The hole to mount the unit must be 23" wide by 21.75" tall.Comes with marine plywood box to make installation easier