Mars Reflector 144 720W Grow Light for Medical Plants

Features: 2 x4 ft core coverage 3.5 x 7.5 ft maximum coverage 1.5g/w maximum yield 873 ppfd Replaces 400W HID/MH 298 W @ 110 V / 29 W @ 220 V 3 year manufacturer warranty Specifications: Hanging distance: Seedling: 20-28" Veg: 16-20" Flowering: 10-16" ETL, CE, RoHs certifications 440, 460, 630, 660, 730 (IR), 2700-3000k spectrum 85-265 V 2.6 A @ 120 V / 1.436 A @ 240 V 706 BTU 61 dB EU, UK, AU, USA, Japan plug type 90-120° viewing angle 50k hours life span <91% humidity 28 x 10 x 2" 8 kg