All components are made of high quality materials with high precision operation, it's waterproof, can be used in rainy days or put in water. The solar panel is made of quality polycrystalline silicon, high light transformation rate can take advantage of sunlight as much as possible, environmental-friendly and energy-saving. This is a light-activated lamp which would automatically turn on when night falls and turn off when dawn comes, convenient to use and energy-saving. The light would float on water surface and add a charming and decorative glow to your garden and pool. Can also hanging on tree or roof with rope. Practical and good decoration for garden, patio, yard, pathway, lawn, pool, etc.