The meter will display a great deal of information about the TriStar. Controller and the operation of your system. In addition the meter. Enables manual functions and controller diagnostics. These capabilities. Will increase your confidence that the system is working. Properly and will help you to improve system reliability battery. Life and system performance. It is worth the time getting to know your meter.Features. This mounts directly on the TriStar MPPT 600V controller replacing the blank meter cover on the wiring box lid.. The TS-RM-2 can be flush mounted in a wall or into a standard duplex 2-gang electrical box.. A 2 x 16 character display shows system operating information error indications and self-diagnostic information.. Four 4 buttons make navigating the meter menus easy.. TriStar meters connect to the RJ- 11 MeterBus port on the TriStar MPPT 600V.. One 1 meter can display select full system information when multiple TriStar MPPT 600V or other TriStar controllers are connected via a MeterBus network.. Dimension - 4.56 x 4.56 in.. Item weight - 1lbs.