1.have CE, TUV, VDE,10 countries certificates; 2.5 Years Warranty ; 3. 97% Efficiency ; 4. ... /400 V3/N/PE, 230/400 VNight time consumption (Wp)<10<10<100<100CoolingFan coolingFan coolingFan coolingFan coolingNoise mission(dBA)65657070DisplayTouch screen ... yearsGrid supportyesyesyesyes 100KW Grid Tie Inverter (with CE, TUV, VDE,10 countries certificates)