Satco S9002 8 Watt (50 Watt) 520 Lumens R20 LED Warm White 3000K 106 Beam Ditto Light Bulb, Dimmable BR40 is just a upgrade to the R40 Satco 8 Watt Energy Saving LED R20 can replace your 50 Watt Incandescent R20 Ideal for use in accent lighting, display lighting, down lighting, indoor residential and commercial lighting Innovative design, looks just like the traditional incandescent lamps Environmentally Friendly; no UV or IR Radiation High Efficiency: Long "True" Life; 22.8 Years