Used less than 2 months. We have 2 units for sale. LET OUR LOSS BE YOUR GAIN! Bought on Amazon for $400,ea 🎄【Triple Chip 15W LEDs】15 Watt Triple-Chip LEDs provides more effective light and higher PAR value. Triangle distribution (3pcs 5 watt chips in every led) makes light more uniform, keeps the balance of the PAR/Lumen Output,let your plants enjoy the natural sunshine. 🎄【VEG & BLOOM Switch】 VEG for seeding or young vegetative growth, Bloom for fruiing and flowering, Veg and Bloom can be used together,true full spectrum ranging from 365-750nm are suitable for indoor plants in all stages from veg to flower,which achieves the maximum performance from seedlings to harvest. 🎄【Energy-saving&Coverage Area】Compare to 2600 watt HPS while consuming only 610 watts! Triple Chips leds provide brighter light and coverage 8.5' x7.5' growing area at 24" height . 🎄【Advanced cooling system】Upgraded aluminum cooling heat sinks and multiple high speed quiet fans are great for heat dissipation. Holes on the aluminum plate and the glass make heat convection to expedite the heat dissipation rate for absolutely safe in use. 🎄【What you will get】4000W led grow light, glasses, stainless steel hanger hook, adjustable rope hanger, power cord,user instruction,professional customer service and best warranty:3 years quality guarantee and 90 days refund.