... .Working time: 6-10 hours/day,3 days in rain day, but 7.according to disposes decides8 ... 000 hours, CE ROHS11.4~5% conversion efficiency in cloudy days.,12.shine angle:140 degree 13. ... most economic,envirnmental friendly and energy-saving products in the world,solar energy powered,green lighting,no ... electic bill,wider application,can be installed in any place with sufficient sunlight,No wire laying ...