... other phenomena for system.This power system has high work efficiency,small dimension,good work stability,high security and long service ... than 50000 hours.Wind power generator 400W Cut-in wind speed:2.5m/s,Using life about 15 years.Solar panel 80W Mono ... yearsWind generator 2 years 15 yearsLED lamp 5 years 25 yearsCertificate: whole system -- CE,parts -- CE,ICE,UL Hybrid Wind and Solar Power Street ...