LED indicator light

This AD16B-22/25B-L is flashing signal light. datasheet as below:
 

AD16B Series LED indicator light adopts high brightness and solid color LED chips as light source, which is of long life, low energy consumption, small size and light weight. It is of diversified head styles, high-brightness, good reliability, pleasing and compact appearance. It is widely applied in various fields such as: machine tool, textile, automobile, electricity, telecommunications and medical equipment, print and mine machinery, etc as indication signal, warning signal, accident signal and so on.
Hole Openness Size:

AD16B Series LED indicator light adopts high brightness and solid color LED chips as light source,widely used in pushbuttons,etc