Light source LED 1500 - 3000 lumen out Colour temperature 3000/4000 K, CRI Ra 80, MacAdams 3 Driver HF or DALI. Driver life time up to 100,000 h/10 % (max failure) at Ta 25°C. Body material & colour Body in white painted steel. Opal acrylic drop out in two different sizes C430 and C530. White nylon decor ring IP44 from below. Mounting Well suitable for all 15 and 24mm T-bar ceilings systems. Use mounting brackets for concealed systems with T-bars up to 24 mm. See accessories for more information. Accessories Mounting bracets (4pcs) for mounting in hidden T-bar system Connection Delivered with external driver for LINECT, 3 or 5 pole connection. Integrated sensors Presence sensor PIR Emergency system Standard (S), Self test (ST) or DALI. 1hr or 3hr.