NO built-in fan Unique graduated fin for efficient cooling Dimming output power: 50%, 75%, 100% and Super Lumens -Up to 10% Input: 120~240V / 50~60Hz, 2M power cord with plugOutput: 10CM cord with socketHigh Power Factor of 99.9% Without built-in fan,Electronic component are higher heat radiating performanceUnique graduated fin design for more efficient cooling Dimming, adjustable output power: ...