3 AAA batteries. The power consumption of this fantastic tactical flashlight is relatively low, so you are going to have high power light and brightness for hours.
How far can the flashlight illuminate?
Its range is 300 meters for its five light modes. You will be able to see the objects you are illuminating, even if they are far away by simply adjusting the flashlight head.
How do I call for help in an emergency?
Its SOS and strobe light mode can be seen from a distance. If you need help, use these light beams and maximum zoom by directing them towards the sky.
Are they more efficient than conventional flashlights?
Definitely yes, they can be more efficient and longer lasting. They are energy efficient and have a much more powerful light that can give you greater advantages than with any other conventional flashlight.