2.8 μmol, 240W consumption, dimmer, MeanWell HLG series ballast, high quality aluminum chassis, Samsung LM301B 3000k and 5000k chip, 3W 660nm OSRAM reinforcement with UV 395nm and IR 730nm. Size of the panel 600x600. For a growing space: 80x80x180 or 100x100x200. Guaranteed for 2 years