... 97.60%;(2) With dual MPPT. Suit-able for installing solar modules with different angle of dip;2.Safe(1) IP65 ... to view and configure;(2) Integrated DC Switch (Lockable-off);4.Communication(1) With strong networking, flexible to support RS485, Ethernet ... AS4777(AS3100),EN61000-6-1:4,EN61000-3-2:3,EN61000-11:12Maintenance5 years,(10 years Optional) Grid-tied Solar Inverter(4KW,5KW,6KW)