Features: 1) save 90% on electriciy. 2) Lifetime over 50, 000 hours. 3) Use only the exact spectrums required for plant photosynthesis. 4) Built-in ventilation fans with a "easily removable" feature so that when a mechanical problem happens with the fans, it can be replaced independently! 5) Built-in thermo-sensitive devices cut off power supply when over-heating happens, either due to high ambient temperature or ventilation fans problem. 6) The low heat emission eliminates the need for ducting & heat exhaust fans. 7) Ideal for all phases of plant growth, and works well with any indoor garden, whether hydroponics or soil based. 8) No setup required - this is a plug-n-play grow light 9) Each light covers 18 square feet. 10) OEM/ODM or customized integrated grow lighting solutions are available as well. Please contact us with your requirements. Applications: Horticulture & Hydroponics Lighting Input Voltage AC90V-AC264V Input Current 0.15A-0.25A Wattage 30W Power Factor >0.96 Frequency 47Hz-63Hz Luminous 3200-3500Lm Central Illumination(3m) >30LUX Irradiation Range(3m) >12m2 Color Red/Blue/Red & Blue Lifespan >50000 Hours Working Temperature -35oC~55oC Product Size 270(Φ)*60(L)mm Packing Size 310*310*130 G.W. 1.8KG N.W. 1.3KG