Brightness Quantity: 700 lumens; 1600 lumens; 2150 lumens. Energy Info: $0.96; $1.93; $2.52 based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 8 watts; 16 watts; 21 watts. Package Info: 1. Bulb Info: Both. LED. Is Three Way. Has Energy Star Logo. Screw. Bulb Life: 13.7 years based on 3 hrs/day. Bulb Appearance: 2700 k.