Landscape spotlight MR16 bulb is beam angle adjustable design, which will help maximize your light beam options from a narrow 20°to wide 60°. Die cast aluminum housing is perfect for heat dissipation and thermal fold-back driver to prevent lamp from overheat damage. High CRI above 90 makes the light environment of your landscape more comfortable.   Coated circuit boards protect against corrosion and moisture, which is suitable for damp locations . By adjusting optics effortlessly to meet any indoor and outdoor application requirement.