... -able for installing solar modules with different angle of dip;2.Safe(1) IP65 rated and Anti-theft design, suitable for any ... ChineseStandard communication modeRS485 , EXTOptional communication modeWiFi , Ethernet , GPRS(External modular design , connected to EXT)Mechanical ParametersDimension(H x W x Dmm ... :3,EN61000-11:12Maintenance5 years,(10 years Optional) Grid-tied Solar Inverter(4KW,5KW,6KW)