The Magnum Remote (ME-RC50)
The Magnum Remote is designed to be simple to use while offering full menu features for set-up.

For use with all ME and MS Series Inverter Chargers

Non-volatile memory:
Your settings are saved even if the power is disconnected.

Easy-to-read: The large LCD screen and at-a-glance LEDs display the inverter/charger  status in a straightforward way. Soft keys give simple access to menus and a rotary encoder knob makes it easy to quickly scroll through menus and select settings.

No cross platform confusion: The ME-RC remote is the same remote used on all Magnum inverter/charger models in the ME, MS, RD, MM, and the MMS Series lines.

Multple functional settings:
The Remote offers multiple functions in one place, including: inverter on/off, charger on/off, shore power breaker settings, AGS control, meter The Magnum Remote is as easy button, setup, and technical menus.

See manufacturer data sheet here.