The R7S bulb is a double-ended design, suitable for R7S lamp holders, used in special types of lamps. The bulb shell is made of glass, which has good light transmittance and durability and can protect the internal filament or LED light source. Different power options are provided, including 18W, 24W and 50W, etc. to meet different lighting needs and brightness requirements. It is mainly used for lighting in industrial and mining environments, such as workshops, factories, mines, etc. It has strong durability and the ability to adapt to harsh environments. It has a long service life and can withstand frequent switches and high temperature environments, reducing the frequency of bulb replacement.