The WEST MARINE MR16 Vertical Pin Downlight G4 Base LED Premium Bulbuses cutting edge LED chips, drivers and construction offering the highest levels of performance, efficiency, and reliability. This results in dramatically reduced power consumption while having greater light output than the majority of bulbs of its size. It will produce bright flicker free light which will render true and vibrant colors, and reduce eyestrain compared to lower quality LED bulbs. This is achieved using high efficiency chips and drivers which produce more light output per watt of power consumed. This bulb is the ultimate MR16 12VDC led replacement, producing 415 lumens using just 3 watts of power. This is a replacement for a 25-40 watt halogen MR16 and uses only 5 watts of power. 10-16v input range Dimmable Alloy case Bright warm white when lit, element appears yellow when off