The Interface MK3-USB allows for direct connection between a computer and a VE.Bus Victron product, such as MultiPlus, Quattro, and other inverter/chargers. It's an essential interface for configuring, monitoring, updating, and diagnosing VE.Bus products. Features Connects VE.Bus Victron products to a computer for configuration and diagnostics. Compatible with VictronConnect App, providing a user-friendly tool for system configuration. Suitable for use with a range of Victron products, including MultiPlus, Quattro, EasySolar, and Phoenix Inverters with a VE.Bus port. Requires a straight RJ45 UTP cable (Ethernet patch or LAN cable) for connection. For Android devices, an additional OTG cable is needed for connection. Provides real-time status information when connected, including the ability to switch the device On/Off/Charger Only. Enables advanced configuration settings and firmware updates. Specifications Connection: VE.Bus to USB Compatibility: Windows, macOS, and Android operating systems. (Note: iPhone is not supported as it doesn't support OTG connections from USB.) Required for advanced configuration and firmware updates. VE.Bus Smart Dongle cannot access Settings Mode. Compatibility The MK3-USB can be used to program the following products: Multi MultiGrid MultiPlus Quattro Inverter (only models with a VE.Bus communication port) ECOmulti EasySolar EasyPlus Warranty This product comes with a 5-year warranty.