Full spectrum led grow light and designed for commercial horticulture
Adjustable spectrum for seedling/ veg/ bloom 
Input Voltage: 200-277V
Manual Slide Switch 0-10V Dim & Manual Dimmer
4*4FT/ 120V-277V/ 6 Bars
Size: L44.5'' * W42'' * H4.5'' for 4FT fixture
 
L7068-720W 
Pro Version (Samsung 301D) LED Efficacy: 2.7μmol/J, Total PPF: 1944μmol/s