... , hydroponic lighting kit Hydroponic light kit, grow lights kitThe light kit including:Digital Ballast, 1000W/600W/400W, dimmable ... factor: >0.99 4) Efficiency: 95 %( Max) 5) THD: <10% 6) Current crest factor: <1.5 7) Max. Lamp distance from ... -flickering, noiseless 5) Fast start-up, reach full brightness quickly 6) Operate HPS & MH lamps. 7) Available in 220-240V and ...