DOSRO Is Surface mounted downlight, with highly quality of die cast aluminum body SMD LED Chips. Frame finish with options of white/black/chrome/gold. Heat sink Bottom is Flame-retardant ABS chassis, white spraying process, no yellowing with waterproof rubber ring. High Lumens output, stable quality, making it to be a perfect choice for commercial lighting. Acrylic PMMA cover, light transmittance up to 90%, uniform light effect, no dark spots, slim design.