According to the World Health Organization's 2015 Global Road Safety Status Report, cyclists are among the most unprotected people, and about 50,000 people die from traffic accidents each year, with nighttime mortality accounting for the vast majority. If you do n’t turn on the lights at night, not ......

The following is about The history of the development of flashlights.

Please fully charge the lamp when using it for the first time, and charge it in time after each use. Atomic electrons in led flashlights have many energy levels. When electrons transition from a high energy level to a low energy level, the energy of the electrons is reduced, and the reduced energy i......

The 18650 lithium battery is the only power source. The LED flashlight will run at 95% full brightness for 6 to 8 hours. Strong light flashlight energy-saving energy without pollution is environmental protection. DC drive, ultra-low power consumption (single tube 0.03-0.06 watt electro-optical power......

As a high-efficiency lighting, light-emitting diodes have continuously entered our lives. With the emergence of LED diode flashlights in the past few years to the emergence of single-lamp high-power 1W and 3W, our flashlight choices have been continuously enriched.

bike lights are lamps installed on bicycles for riders to ride at night. Riders often use a combination of flashlights and holding clips to serve as night riding equipment. The biggest advantage is economy and portability. The disadvantages are narrow floodlight, large blind spots, short battery lif......