Lighting Facts rs EE Brightness 800 lumen Estimated Yearly Energy Cost $1.06 Based on 3 hrs/day, 11¢kWh, Cost depends on rates and use. Life Based on 3 hrs/day 13.7 years Light Appearance Warm Cool bss pr — 3000K Energy Used 8.8 Watts ST19CLO30CAIDD! HARP Brightness 800 lumen Estimated Energy Cost $1.