How to choose a good flashlight

1. The flashlight should has High brightness and long endurance: the outdoor environment is complex, and the long-range light can make it easier for others to find in case of emergency. No one can guarantee what situation you will encounter. It is very dangerous when you need high brightness lighting but the flashlight can't reach it. Therefore, a high brightness flashlight is a necessary lighting tool. The maximum brightness of the flashlight should be more than 200 lumens and the lighting distance should be more than 100 meters, especially for the exploration of unfamiliar sections

2. Multi gear : select the flashlight to at least have the functions of strong light, weak light and explosion flash. Many primary outdoor flashlight friends always feel that the operation of multi gear flashlight is too cumbersome. In fact, it is necessary for outdoor flashlight to have multiple gears, which can be switched in time. With the emergence of multi gear dimming technology, the brightness and endurance time can be adjusted. First, it helps to dissipate heat, and second, it also helps to prolong the lighting time of flashlight. You can choose the most appropriate brightness for different purposes such as camp, hiking and search, and reasonably save valuable electric energy

3. The battery is easy to obtain, 4. The brightness is constant.