Ideal for remote monitoring of your solar system with full control over the charging process. Compatible with 10A-30A dual battery MPPT solar charge controllers DM Series. Displays important charging parameters such as voltage, current (separately for solar panel and each battery), battery state of charge, total charging energy, max and min values etc. Self-diagnostic capability to highlight any system faults. Removable external frame gives the option of either flush mounting to create a level surface, or surface mounting if preferred. Scroll down to Product Description for more details about this product.