Display: 8.4 inch color touch screen Language: English, Spanish, German, French, Italian Multi - band hand - piece: 480nm/530nm/590nm/640nm/690nm (420nm,750nm optional) Energy Density: 1-50J/cm2 1-100J/cm2 1-150J/cm2 Frequency: 1- 4Hz Pulse Quantity: 1- 6 Output power: 2000W Spot Size: 15 50mm Cooling Manner: semiconductor+ wind + water +cooling system Size: 51 x 63 x 111cm Net Weight: 40kg Power Source: 220V (110V0/15A 50Hz (60Hz))