GeekBeast MK is a 480 W LED grow light from Geeklight. The fixture uses Samsung LM301B diodes with Osram infrared and provides a full spectrum tuned around 3000 K. It features onboard dimming, daisy‑chain connectivity, and controllable UV/IR. Rated efficacy is 2.6 µmol/J. The passively cooled housing measures 45 x 43 x 11 cm and weighs 13 kg, with a stated lifespan of 54,000 hours. Coverage is specified as 120 x 120 cm for flowering and 160 x 160 cm for vegetative growth. A Mean Well driver is used, and the optical lens design focuses on even distribution and canopy penetration. The MK is suitable for tents or rooms and can be linked in series for larger installations.
