... -264V,easy to use and safty , suitable for all the countries . 3.Lifespan : over 50000 hours.Parameter:ItemValueItemValueSize310x310x36 ... hours .4. Our common light ratio :165:60 with the mixture of red , blue , orange ,yellow and white lights , ... are changeable according to different plants and environments ,the same as the parameter . Product Applications:Hydroponics & Horticulture & Greenhouse ...