Mars II 1600 Full Spectrum Hydroponic Grow Light

Features: 4.5 x 4.5 ft core coverage 6.5 x 6.5 ft maximum coverage 1.8g/w maximum yield 1950 ppfd Replaces 800W HID/MH 632 W @ 110 V / 630 W @ 220 V 3 year manufacturer warranty Specifications: Hanging distance: Seedling: 24-30" Veg: 16-24" Flowering: 12-16" ETL, CE, RoHs certifications 440, 460, 630, 660, 730 (IR), 2700-3000k spectrum 85-265 V 5.92 A @ 110 V / 3.148 A @ 220 V 2555 BTU 61.4 dB EU, UK, AU, USA, Japan plug type 90-120° viewing angle 50k hours life span <91% humidity 20 x 20 x 3.5" 31 lbs