1. see yourself in any situation you want to use, such as night ride, night fishing, camping, caving, patrol and so on.
2. batteries, lithium batteries and two lithium batteries for rechargeable batteries, but low life expectancy, for about 2 years, LED the life of about 10 years, according to the actual situation to choose.
3. light bulbs, light bulbs out of the case, are difficult to distinguish with the naked eye it is good or bad, visible in the light of the consistency of the bulb.
4. look at aperture, is even a good LED flashlight aperture circular, LED torch with poor plaque is divided into yellow and blue color is not evenly distributed.
5. brightness, a good LED flashlight brightness high, slow decay rate.
6. waterproof, a good LED flashlight waterproof, seismic performance, which fell.
7. the appearance, we rather than I look, I don't say much, I chose the aluminum shell, Nice.
8. Select brand, brand is another definition of quality standards, there is no good quality is unlikely to be a well-known brand, so when choosing a flashlight, you need to know about brand flashlight.