LED Explosion-proof Flashlight are combined by the LED lights  source, shell, rechargeable batteries, switches, circuit boards and other components. LED Proof flashlight is emitting diode as a light source, energy saving, durable, brightness and other characteristics. Rechargeable LED Explosion-proof flashlight is designed for energy-saving and environmentally friendly society, but also conducive to the protection of the environmental resources, to solve the trouble of replacing batteries.

1, proximity lighting (1 meter or less, with the surrounding objects reflective) recommended more LED products, suitable as a camp lights, headlights and other writing at close range, repairs, meals, etc., but do not advocate better lamp, LED work voltage at 3V or so, so many flashlights, headlights 3AAA batteries are used to promote, 20-30 lamp will be close to current load limit, more easy to damage the battery, reducing lighting time, the resulting brightness increase is not obvious, think 5 or more enough to use, extra LED will only increase the chance of failure occurs.
2, middle distance (2 m to 50 m): High power LED products, especially products for good 3W, 3W chip is also recognized as the most mature products lumens, buy a 80 lumens of brightness, lower battery consumption, especially for night travel. If you use a good product, concentrating well, it can shine very far. Its use can be used all the time in junior high school to master knowledge of electronics simple calculations, such as using a 3.6V 2000ma battery-driven, operating current of 1A is roughly about 3W of power to run, so you can have two hours of use, while In fact, the current with the voltage drop will be significantly decreased, while the decrease in brightness was not so obvious that this is a big advantage of LED, unless the driver circuit remains at full power state, or the actual use of time is significantly longer than the calculated value to the above 2000ma battery, for example, the actual time may be greater than 4 hours.
3, long-distance, large-scale search (meters above): not embrace that porcelain diamond Mo job, in order to illuminate the distant, giant lamp cup is indispensable, but also requires a high-power light bulbs to adapt headlight Cup , coupled with a larger battery backup supply, so these are super stuff fit in your pocket, more suitable for search and rescue teams, firefighters and other use, but for personal use, it is not very convenient.