... 8:1 , 7:2 , 7:1:1 6:3:1 with the mixture of red , blue , orange ,ultraviolet, infrared etc ... fans ) solve the heat dissipation excellently.5. Built-in power supply, no reflector & ballast needed, ranged AC85V-264V.6 ... Right for all phases of plant growth, and works well with any indoor garden, hydroponics or soil based.7. The ... contact me.3: Please indoor use only. high power 120w panel led grow light