If one pays attention on it, and has earned the right model, then you can select by pressing a key on half orange button just different light modes.
Here, the flickering light view is the most valuable mode to save power, as is consumed at full light output, but pulsed light, only about 50% of the battery power.
In addition, you should not buy in black this model. Eg if you use it in the car repairs in the engine room, "you will find they are not guaranteed to be" because it is so well camouflaged. They are also available in silver.
