3 LED RGB lighting for use THREE COLORS
Over 100.000hrs use.
Red light is favored by pilots, sailors, fishermen, and astronomers for its excellent capability for night vision. The red light is also used for security and signaling the color red is a internationally recognized care.
Light green is almost as bright as the blue, turquoise and white lights, but has a greater battery life. A green LED uses less power than other colors and will last longer with a set of batteries. The green light is often used instead of red for reading maps.
The light blue is extremely bright. Blue can be used to improve contrast and can also be used to identify some of the liquid (for military / industrial).