The key to this dimmable LED spotlight is that the operator can adjust the LED light output to the level that allows their eyes to adjust to the immediate work area and the surroundings. The time of night, cloud cover, the operator’s eye condition and other factors make the level of LED light dimming vary all the time. The operator can simply adjust the dial to create the appropriate level of light for their particular needs. Many operators use red filters or red light to achieve this same effect, but they lose intensity, distance and color correct object identification. This dimmable LED spotlight take advantage in power saving, constant and even light output, non-halation, easy installation using existing MR16 fixture, high shock/vibration resistant, solid-state design, no ultraviolet or infrared emission, reduces light pollution and high CRI of 80. Operators can use this dimmable LED spotlight to create the light intensity that best allows them to see their target work area without sacrificing their eye’s ability to adjust to the area around them. It can be widely applied in family and commercial places, public, furniture, hotels, stores, shop windows, casino, etc.