VOLT Grow’s SKY 630F is a 630 W full-spectrum greenhouse top light designed for mixed-light or sole-source cultivation. The linear, low-profile 42.15-inch fixture uses a modular, remote Inventronics driver (120–277 V or 277–480 V) and supports five mounting configurations. Output is rated up to 1,728 µmol/s PPF with efficacy up to 2.73 µmol/J. The fixture carries IP66 ingress protection (driver IP67), 0–10 V dimming with dim-to-off, and a maximum ambient operating temperature of 40°C. Dimensions are 2.75 x 3.57 x 42.15 in for the bar and 5.75 x 11 x 2 in for the driver; fixture weight is about 2.65 kg. Lifetime is L90 >50,000 hours, and certifications include UL8800, ETL, and DLC 2.1. Coverage depends on greenhouse layout and mounting height.