A19 bulbs. 28% energy savings (Compared to a 60 watt A19 bulb with 640 lumens, this 43 watt A19 halogen bulb with 600 lumens saves 28% energy. This bulb uses energy saving incandescent technology (also called energy saving halogen). The halogen capsule inside enables this halogen bulb to perform like a standard incandescent bulb while using less energy). 60w replacement (Compared to a 60 watt A19 bulb with 640 lumens, this 43 watt A19 halogen bulb with 600 lumens saves 28% energy. This bulb uses energy saving incandescent technology (also called energy saving halogen). The halogen capsule inside enables this halogen bulb to perform like a standard incandescent bulb while using less energy). Uses 43w. Similar to daylight. Mercury free. Medium base. Vibrant, natural light. Save 28% energy (Compared to a 60 watt A19 bulb with 640 lumens, this 43 watt A19 halogen bulb with 600 lumens saves 28% energy. This bulb uses energy saving incandescent technology (also called energy saving halogen). The halogen capsule inside enables this halogen bulb to perform like a standard incandescent bulb while using less energy). Fully dimmable & instant on. Contains no mercury. www.philipps.com/lighting. Questions or Comments: 1-800-555-0050. www.philips.com/lighting. Made in Poland. Brightness Quantity: 600 lumens. Energy Info: $5.18 Based on 3 hrs/day 11 cents/kWh. Cost depends on rates and use. 43 watts. Package Info: 2-Pack. Bulb Info: Halogen. Screw. Bulb Life: 0.9 years Based on 3 hrs/day. Bulb Appearance: 2930 k.