Horizontal wind mill for home use

Four unique function:1. One unit can output 12V and 24V DC (Smart switch have two records, it can output two voltage, from 12V to 24V or from 24V to 12V). 2. Can start to charge in 2.5m/s wind speed (Extraordinary charge controller). 3. 6Kg=600W, Small size can output more power. 4. Carbon Fiber blades = High Strength Certificate: CE, ISO9001 Warranty:3 years Main feature:Blades Diameterr: 1190mm (3.9 ft) Blades Material:CFRP Net Weight: 6.3kg (13.9 lb) Radiator: Cooling Fins High-speed control: Hysteresis Braking (slow down) Over-speed Protection: Hysteresis Braking (shut down) Electrical Voltage: DC 12V & DC 24V (Voltage Smart Change) Rated Power: 400Watts(12V) 24V(600Watts) Max Power: 550Watts(12V) 750Watts(24V) Start up wind speed: 3m/sec (6.7 mph) Start Charging wind speed: 2.5m/sec (5.6 mph) Rated wind speed:12.5m/sec Survival wind speed: 60m/sec (134mph) build in charge controller