Philips DuraMax Light Bulb, 3-Way, 50/100/150 Watts

Brightness Quality: 465 Lumens. 1160 Lumens. 1625 Lumens. Energy Info: $6.02/$12.05/$18.07 Based on 3 hrs/day, 11 cents/kWh. Cost depends on rates and use. 50/100/150 Watts. 120 Volts. Package Info: 1 Bulb Info: Is Three Way Medium. Bulb Life: 1.6 Years Based on 3 hrs/day. Bulb Appearance: 2770 Kelvins. Misc: Medium base. A21 bulb. Questions or Comments: 1-800-555-0050 or www.philips.com. Use high wattage for reading or task lighting needs. Use medium wattage for general lighting. Use low wattage for energy savings. Made in China.