Back lit LED recessed panel, 4454lm, 31W, 144lm/W, 4000K, Driver Current 275mA, CRI:80, DALI or Switch Dim, IP40, IK02, UGR<21, zintec powder coated steel body, 55,000hrs (L90B10), HxWxD = 595x595x95mm, 3 step MacAdam Ellipse, Class I, 220-240V.