The MK3-USB allows the following products to connect to a computer for configuration and firmware updates: Multi, MultiGrid, MultiPlus, MultiPlus-II, Quattro, Inverter/Charger settings in ECOmulti, EasySolar, EasyPlus, and Inverters with a VE.Bus communication port.
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm.
www.P65Warnings.ca.gov