【High Quality】The life jacket light comes with a gold-plated copper column, it is designed to automatically light up when touching water after jumping into the water without turning on it in advance. 【Long Service Life】LED bulb, energy saving, high efficiency, and with long service life. 【Upper Shell Transparent Frosted】The upper shell is transparent and frosted, which can look directly into the simple structure of the lamp. 【Impermeable】 The shell is with high-frequency welding, beautiful, firm, and impermeable. 【Easy Operation】 Novel appearance, simple structure and easy operation.