... the light source,can replace 3-5 times the power of the high-pressure sodium lamps, saving 80 ... times.3. Different light wavelengths and proportion and power can be specified by the customer production, suitable ... the heat dissipation problems well.5. Built-in driving power, Input AC85 -265V wide voltage, suitable for ... freshwater aquatic plant. No need switch ,one power line,Unit price is 115 USD ONLY.