Features: Make the lantern more refined: Using a solar replacement lamp head can reduce power consumption and save a lot of wires, making your lantern more beautiful and allowing you to use it with peace of mind. Waterproof: With a waterproof design, the solar replacement lamp can be applied on rainy days, and can also light up the garden, campsites and streets. Remember not to immerse it in water for a long time. Specifications: Material: pp Color: black Size: 3.15 inch in diameter Package includes: 6 Pack replacement solar light bottom parts Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. The battery life is related to the frequency and length of use of the product. If the frequency of use is high, and one-time use long, the battery life will be relatively short.