The VOLT Grow STORM 4 is a 450W, full-spectrum, bar-style LED top light designed for indoor cannabis grow rooms. It features four rotatable LED bars (±30°) and a modular, toolless design for easy service, with IP66-rated fixture and IP67-rated driver options. Output is rated at 1289 µmol/s with 2.84 µmol/J efficacy, and 0–10V dimming supports dim-to-off control. The low-profile chassis measures 45 x 24.65 x 2.63 inches, making it suitable for single- or multi-tier installations. VOLT positions the STORM 4 for smaller flowering areas or larger vegetative zones, and offers optional clip-on reflectors to increase light density. Certifications include UL8800, ETL, and DLC 2.1, and the unit carries a 5‑year warranty with an L90 lifetime beyond 50,000 hours.