.Engineered with a brilliant cut-line and anti-glare technology, this bulb upgrade directs the light to where you need it most. High power Z ES LEDs provide extreme luminance in a micro footprint package for precise beam angle control. In addition to the dual alloy heatsink, these LEDs have excellent thermal resistance that allows for consistent operating temperatures and longer life. High Luminance 25 watt Z ES LEDs for Maximum Brightness Adjustable Beam Design for Precise Optics Reversible Fan-less 6063 Aluminum Base Design 6000K Color Temperature to Replicate Daylight Double the Lumen Output of Stock Halogen Bulbs