solar-powered by20-25 w solar panels
4. Maximum ventilation capacity ranging from 800CFM to 1500CFM (or greater). Enough for 100~200 SQ.FT.
5. 12V brushless DC motor used, quick run; the life is up to 10 times than the brush motor; 50 thousand hours warranty of brushless DC motor (5 year warranty for the rest); the highest efficiency, sound quiet.