Customizable status LED ring with RGB lights Touchable button with large 5″ colored LCD Built-in Wi-Fi for mobile monitoring (Android/iOS App is available) Supports USB On-the-Go function Reserved communication port for BMS (RS485, CAN-BUS or RS232) Replaceable fan design for ease of maintenance Configurable AC/PV output usage timer and prioritization Selectable high power charging current Compatible to Utility Mains or generator input Built-in anti-dust kit Built-in DC output for DC fan, LED bulb, router and so on. Parallel operation with 6 units