3x3 ft----->1 pcs our grow light, 4x4ft-----> 2pcs our grow light. "Perfect Spectrum" powered by 384pcs 3500K White LEDs, 8pcs UVA LEDs, 184 pcs Full RED LEDs, this spectrum LED grow light emits the perfect combination of Red, Blue, and White light to stimulate photosynthesis which plant. Daisy chain compatible to make less cords, which can connect with another led grow lights to extent the coverage. Not more than 3 pcs lights can be connected and used together by power cords, one item working current 1.5 A. Built with new upgraded aluminum cooling heat sink 1 piece of high speed whisper quiet cooling fans form a powerful cooling system, which can effectively dissipate heat from the lamp inside to outside and ensure that the plant grow light can work efficiently & ensure long life.
Stop using light when fans are off. This light includes IR (Infrared) LEDs which look dim, they are not faulty LEDs. It plays an important role in the flowering and fruiting stages. Extremely bright, do not look directly at the LED bulbs when the light is on. Surrounding temperature: MUST less than 40?Can be controlled by Timer. LED Chip: 384pcs 3500K White LEDs, 8pcs UVA LEDs, 184 pcs Full RED LEDs. LEDs Beam Angle: 120 degree.
Main LED Chip Spectrum: 410nm-800nm full spectrum. Main LED Chip Peak Wavelength: 450nm and 660nm.
Light total photon flux: 580 µmol/S. Light PPF(efficiency): 1.80µmol/J. Light Spectrum: 380nm800nm full spectrum including 450nm/660nm/730nm.Light Blue-Purple/Orange-Red Rate at Vegetative : 1:2. Light Blue-Purple/Orange-Red Rate at Flower : 1:4. Light Best For: flowering and fruiting plants during growth and flower stage. Light Mounting Height: 12-20in above canopy.
Light PPFD (µmol/ m²/s) (stage: h=mounting height A=canopy coverage). 480 µmol/m²/s (Vegetative: h=20in A=4X4ft). 480 µmol /m²/s (Flower: h=20in A=3X3ft). Light Heat dissipation method: Graphene (no fan).
LED chip soldering pad temperature: 70? Power Driver: aluminum housing and Thermal sealant. Light Net Weight: 2.5kg, 9lbs. Light Dimension: mm-350(L)x210(W)x60(H).In -13.78(L)x8.27(W)x2.36(H). This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Grow Lighting & Accessories\Grow Light Kits". The seller is "globaldeal666" and is located in this country: US. This item can be shipped to United States.