The paver lights is made of die-cast aluminum mounting plate as well as has a good heat dissipation, sturdy and corrosion-resistant. 270° rotation can facilitate the orientation of each angle and the 45? Beam angle of the retaining wall lights can eliminate glare. Hardscape lights is perfect for paver steps, not only illuminates a pathway but will also accentuate adjacent plants features. Landscape step lights designed with low voltage are safer and more energy-efficient for outdoor use. Please supply the lamp with proper input voltage that is DC 12V to ensure reliable operation. Low voltage transformer(NOT INCLUDED in the set) is required for installation. DO NOT soak it directly in water or use it long-term in humid environments. The LED chips can't be replaced.