laser types: Diode laser Wavelength: 810nm Fluence: 1-120J/cm2 (adjustable) Pulse Width: 40ms-400ms(adjustable) Pulse Frequency: 1-10Hz Spot Size: 12mm12mm Cooling: Within the closed circulating water cooling Cooling Temperature: 5 Electrical: -220V22V, 50Hz, 10A Dimensions: 640mm(L)400mm(W)1120mm(H) Color options: White, Black, Yellow Weight: 33KG Package: Wooden box with 5-layer plywood. Wodden box