60A/D/4. 120 volt. Full spectrum, natural light. Crisp, vivid light. Uplifting & bright light. Increases color contrast. Light Output: 630 lumens. Energy Used: 60 watts. Average Life: 1,000 hours. To save energy costs, find the bulbs with the light output you need, then choose the one with the lowest watts. A19 standard base. Same room, better light. The Enhance Daylight glass filters out the excess yellow color found in standard light bulbs, providing accurate, clean light. Made in China.