Product Details: 1.Use power: AC220V / 50 hz 2.Winding length range: can adjust according to the requirement 3.Wire wound frequency range: 1 ~ (can be preset) 4.Machine Size: 400 mm X 280 mm X 400 mm; wire coil size:80mm-200mm 5.Winding speed: adjustable/positive and negative turn adjustable 6.Use environment temperature: + 5 ~ + 40 �°C, relative humidity (20 ~ 90) % RH 7. No violent shaking, shock, vibration, no electromagnetic interference, no dust, explosive, corrosive gas, heat dissipation good place.