Firefly BR20 8 Watt Bulb - 50 Watt Equivalent - Dimmable Energy Star Flood Light Bulb 3 4/5&quot; high x 2 1/2&quot; wide. Light output is 500 lumens, comparable to a 50 watt incandescent bulb; 2700K color temperature; 80 CRI. Energy-efficient frosted LED light bulb uses 8 watts of energy. BR20 shape; E26 medium base; 120V. Dimmable with electronic low voltage dimmer, or LED rated dimmer; 110 degree beam angle.