According to my experience, this adjustable retrofit downlight is a must-have for industrial and scientific purposes. It`s dimmable, which is a great feature to adjust the lighting depending on the task at hand .The recessed design also helps save space while providing excellent illumination. However, the installation PROCESS may require professional assistance, which can be a downside for some. Overall I highly recommend this lighting component for anyone in need of reliable and efficientβ¦