Waterproof Design & Easy Installation: Made from high-quality ABS plastic and stainless steel for durability; the stainless steel housing is resistant to yellowing, making it ideal for outdoor use. Installation is simple—requiring only two drilled holes and taking just 5 minutes—with no complex steps involved. Energy-Efficient & Durable: Features a high-quality monocrystalline silicon solar panel with an 18% photoelectric conversion rate, providing illumination from dusk till dawn. Three LED beads deliver uniform brightness, making these lights perfect for fences, deck railings, steps, staircases, pathways, courtyards, and gardens, enhancing both the brightness and safety of your home. Automatic Sensing & Eco-Friendly: Built-in light sensor enables automatic on/off operation; charges for 4–6 hours during the day and provides 6–8 hours of light at night. Solar-powered, eliminating electricity costs. Modern Design: Equipped with light-sensing functionality and featuring a compact size (3.66 x 3.54 x 0.98 inches), it is suitable for various installation locations. The wireless design minimizes safety hazards. Weight: 2.49 lbs.