MEGAPHOTON 4ft 200w Red/Blue Spectrum LED Top Grow lighting for hydroponics and Greenhouse A Part: Product Data 1, Model No.: ML-TB200W 2, Power: 200w 3, Working Voltage: 100-240v or 100-277v 4, Frequency:50/60HZ 5, System Efficiency: 2.3umol/J 6, Flux: 460umol/s 7, Power Factor: >0.95 8, Lifetime: 50,000hrs 9, LED Chip: Taiwan Epileds Brand or as your requirement. 10, Dimension:L1214 X W143 X H113mm 11, Warranty: 3 years 12, IP Rate: IP66 Waterproof B Part: Product Features 1), High robust quality aluminum housing,no additional cooling required 2), 100-277V, EMC driver or other brands as your requirement. 3), Energy saving to save 50% comparing with HPS lighting 4), More lights, less heat generation, higher crops yield and lower cost 5), With CE/RoHS certifications 6), Suggest intallation height: