This screen is compatible with Voltacon, Axpert and MPP Solar off-grid inverters. It is a direct replacement that works with the RJ45 ethernet cable
Built in Functions: Bluetooth
Compatible inverter: King , 5KW, 3KW, 48V/24V models.
Remote display for 5kW, 3kW off grid inverter made by Voltronic, Voltacon, MPP-Solar. The inverters are from the first generation without Wi-Fi but they had Bluetooth built in.