LED ceiling recessed light without cover frame 'trimless', LED light 'tunableWhite', with dynamic color temperature change with constant luminaire luminous flux adjustable via DALI signal (DT8 standard), symmetrical, wide-beam light distribution with maximum luminaire efficiency and optimal lighting technology, equipment: LED2500-927-65, color rendering Ra > 90, color temperature (tunable) 2700-6500 K (warm white-neutral white-daylight white), color tolerance (initial MacAdam): 3, luminaire power: 29 W, luminaire luminous flux: 2400 lm, luminaire luminous efficacy: 83 lm/W, service life: 50000h at 80% luminous flux, with separate ballast unit DALI controllable light (DALI only), dimming range: 1-100%, including 'fade-to-zero', high-quality reflector unit via locking mechanism attached to modular LED light chamber, highly efficient LED light chamber integrated in the optimized, passive heat management made of die-cast aluminum, reflector: smooth, painted white, reflector made of high-quality, UV-resistant polycarbonate (PC), tool-free quick assembly of the light unit via EASY-CLICK lock, IP44_IP20, light wired halogen-free, connection: 5-pin plug connection terminal, loop-through possible, mains voltage: 220-240V / 0/50/60Hz, central battery compatible 220V DC, assembly: tool-free quick assembly using retaining springs for ceiling thicknesses of 1-25mm, ceiling cut-out: 190x190mm, installation depth: 126mm, weight: 1.24 kg, note: UGR<19 (reflector type aluminum sputtered) for office applications in accordance with EN12464. Note: mounting frame (planar frame) for flush installation of the light must be ordered separately (see Accesories)