Sylvania 70643 - LED/RT4/600/830/FL80 Replacement LED Light Bulb Sylvania led lamp retrofit kit, reflector flood, dimmable, medium base, 3000k, 9 watt, 120 volts, 4 in. , white, 2 per case600lm 3000k 4in led recessed downlight kit replacing up to 50w incandescent r30. Medium base socket adaptor included. Integrated white trim and white baffle reflector. Dimmable down to 10%, 50000hr