Edge lit LED flat panel. Low Flicker, 35 W, Neutral White, 4000 K, 4300 lumens, high efficacy, 123 lm/W, Average lifespan: 120.000Hrs, PMMA opal diffuser, aluminium frame, steel body, push-dim DALI driver of TRIDONIC (LCA 45W 500–1400mA one4all SR PRE 28000672). (HxWxD) 10.8 x 1195 x 295 mm