Lighting Science DFN 16 NW NFL 120V GU10 4000K 300 lm 20WE 6W Base Narrow LED Flood Light, Neutral White Base Type: 5.6 100% Recyclable Materials 9 watts - 70% more efficient than comparable 20 watt Halogen lamp Maintenance free operation, lasts up to 11 times longer than halogen lighting 25 degree beam spread Base Type: 5.6 9 watts - 70% more efficient than comparable 20 watt Halogen lamp Maintenance free operation, lasts up to 11 times longer than halogen lighting 25 degree beam spread