MPPT technolgogy, 3 LCD display for convenient monitor, 98% high efficiency, CE,AS4777&AS3100 approved. ModelSDS- ... , oil mist, dust etc.Operation temperature-10°C~40°C(50°C)Stored temperature-20°C~65°CRelative humidity0~100% (Do ... , G59. ISO9001:2000 10kw three phase output grid tie inverter for outdoor use