... CE, RoHS 2. 3 YEARS WARRANTY 3. TINY FRICATION, LOW NOISE SMALL WIND POWER TURBINE Vertical axis wind ... adopt the micro-processor technology, improving system integration.3. Excellent protection includes over voltage shutdown, under voltage ... form power output9. High efficient transformer isolation and buzzer alarm while over-loading,over-voltage, high-temperature HIGH QUALITY SMALL WIND POWER ...