The underwater light simply refers to the light installed under the water, the English name: led pool light. The appearance is small and exquisite, beautiful and generous, and the appearance is similar to some underground lights, but there is an additional mounting chassis, the chassis is fixed with screws, the underwater lights are generally LED light sources, I can LED technology lighting is called the fourth generation of lighting The light source or green light source has the characteristics of energy saving, environmental protection, long life and small size. When it is powered on, it can emit a variety of colors, gorgeous and colorful, and it is usually installed in parks or fountain pools. Has a strong ornamental. Mainly used for fountains and underwater operations. It is generally composed of stainless steel and glass: stainless steel is divided into 202, 304, 1740, etc., and different grades of stainless steel are used in different occasions; there are currently two main production processes for the stainless steel lamp body of underwater lamps: mold stretching (generally, the lamps are thinner and thinner. Light, fast production cycle, low cost), dewaxing of silica sol (general lamps are heavier, thicker, slower in production cycle, and relatively high in cost); a few high-end lamps are made of copper; of course, there are also a few low-end lamps and lanterns use zinc alloy To do it, resin filling, tempered glass, etc., stainless steel has good rust resistance, resin has waterproof performance.