Retrofit LED Downlight, 4-Inch Round, 10W 3000K Dimmable, E27 Socket

The A-R4-R10-30K is a 4-inch round LED retrofit downlight for residential and light commercial ceiling applications. Its E27 socket base allows direct replacement of existing incandescent or CFL downlights without rewiring, and the aluminum shell finishes in white to match standard ceiling trim. The fixture operates at 10W on 120VAC and delivers 740 lumens at 3000K warm white with a CRI of 90, yielding an efficacy of 70 lm/W. It is dimmable and rated for an ambient operating range of -20 to 40°C, with an LED lifetime of 50,000 hours. The unit carries ETL, Energy Star, and FCC certification, backed by a 1-year warranty.