Model Number: A21 Brightness Quantity: 400 lumens; 1050 lumens; 1500 lumens. Energy Info: $0.60; $1.32; $1.93 based on 3 hrs/day, 11¢/kWh. Cost depends on rates and use. 5 watts; 11 watts; 16 watts. Package Info: 1. Voltage: 120 V. Bulb Info: LED. Is Three Way. Has Energy Star Logo. Bulb Life: 13.7 years based on 3 hrs/day. Bulb Appearance: 5000 k.