... .65kg/1pcsCarton box570x410x350mmGW15.5kg/2pcsSpecifications:1. 300W LED grow light can replace the 900w-1500w HPS , over ... light ratio :8:1 , 7:2 , 7:1:1 with the mixture of red , blue , orange ,yellow and white ... is most suitable for your plant growth 6. Built-in cooling system (thermostatically controlled fans ) solve ... in the dry place . 300w LED grow light for growing kinds of plants,flowers