Custom optical and thermal design by Mitsubishi Chemical Corporation. Indirect light source minimizes glare. 90 CRI - renders illuminated colors with great accuracy. LED replacement for 75W halogen lamps. 2700K - soft white. 12-degree beam angle. Compatible with most commercial dimmers*. Energy efficient, long-lasting LED - over 85% reduction in energy costs compared to incandescent bulbs. 50,000 hour design lifetime.