Hf3.2-1kw Blade diameter (m):3.2 Rated rotated speed(r/min): 400 Rated speed (m/s): 8 Rated power: 1kw Max power: 1.5kw Output voltage (v): 48 Start up wind speed (m/s): 3 Work speed (m/s):3-25 Security wind speed(m/s):50 High of tower (m): 6 Top weight except tower: 95kg Tower steel tube model (mm): 76 Capacity and quantity of battery: 12v100ah4 pcs Speed regulation: leaning tail and electric brake Can supply power for: Refrigerators, water pumps (350), color tv sets, washing machines, lighting, electric fans, charge 178kg