... up of light-path system, the system of electrical source, the computer controlling system,the cooling system The description of productThe ... : 1, 2, 3, 4, 5Hz Cooling condition: wind system+closed circulating+cooling system Power source: 220V/5A or 110 V/10A2 ... current 220V, connecting the power line. Working conditionRegular working condition:(1) Ambient temperature: 15 ~30 (2)Relative humidity ...