... thermostatically controlled fans to keep LED light cool.5..Application for all phase grow,floow,friut.6.Different ration ... friendly, Don't contain the harmful substance.Pictures150W Grow light ParameterBody Size 330*330*60mm Power 150W ( ... G.W 10.456kg2pcsDescription1. 150W LED grow light can replace 3-5 times HPS Grow Lights, Save 80% on ... , customized ration is acceptable 150W LED Grow light