3 Color Temperature and Watt Adjustable Dimmable Track Spotlight. Selectable power (15W-20W- 30W) and color temperature (3000K-3500K--4000K) with dimming capabilities in one fixture. High Performance LED: Bridgelux LED source with CRI 90 and up to 100lm/W efficiency. Zoomable bean angle from 15-55 degree. High cost-effective and afforable price. A Track light can be used as 9 different track lights ,which help you save money on inventory. Stable and durable, with a product defect rate of less than 0.5%. OEM Service Available: Custom logo printing and packaging options available for bulk orders. Durable Construction: Made of high-quality 6063 brushed aluminum with excellent heat dissipation. Wide Compatibility: Compatible with Global, Norlux, and other 3-phase 4-wire track systems. Comprehensive Warranty: 5-year warranty covering mechanical defects and performance.