Ortoled’s 9 Serie K is a dimmable LED grow light built around four high-penetration EPI COB modules (63 W each) supplemented by eighty 3 W diodes. It is rated 540 W total with real power draw of approximately 360 W, covering about 1-2.5 m2 depending on mounting height and layout. The fixture offers four selectable channels (Vegetativa, Crescita, Fioritura and Total Agro) controlled via the optional K Control accessory; without the controller it runs the full 10-band Total Agro spectrum with UV and IR. The 9 Serie K measures 42x42x7 cm, weighs 6 kg, and supports daisy-chaining up to eight lamps. Electrical input is 85-265 V AC, 50-60 Hz, with IP50 and CE/RoHS certification. Ortoled lists electrical efficacy at 1.9 umol/J.