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Features: This grow light comes with 2 different spectra that can be converted by switches Model 1:84 Red+10 Blue+2 White+2UV+2IR SMDModel 2:28 Red+10 Orange+30 Cold White+28 Warm White+2UV+2IR SMD2 kinds of spectrum are used in a wider range, suitable for vegetables, tomatoes, etc. Specification: Input voltage: 85-265 V Power: 300WLED quantity: 100PCSCoverage Area: 4.5M² Protection level: IP55 Working environment: -20~40degree;45%~95%RHDimension: 400 x 211 x 65mm Using tips: Recommended lighting time & height Seedling Stage: 16-18 hours on, 36-59inch Vegetative Stage: 12-16 hours on, 18-36inch Flowering Stage: 10-12 hours on, 12-18inch The lighting time & height can be adjusted according to site environment & specific plant plants Note: Indoor use only, not water-proof. The working environment: -20~40℃, 45%RH~90%RH. Extremely bright, do not look directly at the LED bulbs when the light is working. To protect the light, please cut off the power when it is thundering. Package included:1 x 300W LED Grow Light 1 x Power Cord 1 x Rope Hanger 1 x Instruction Manual