This product is particularly suitable for both regular use or occasional use of the two requirements, the former can save a lot of money, which can save the trouble of preparing for electricity. You can press the switch on the top of the flashlight, the flashlight itself stored power can be used for some time. with two light bulbs LED (ultra-high brightness light-emitting diode) as a light source, , high brightness, flashlight light white light;built-in micro-power generation device, just a hand to put a few, the use of triboelectric principle, you can automatically generate electricity; Summary: safety and environmental protection super affordable, compact, lanyard, easy to carry Products and other LED flashlights adopt different power supply methods. Other LED flashlights are powered by ordinary dry batteries. This product uses hand-pressure automatic power generation and has the function of temporarily storing power. The lower part of the flashlight with a hand-held handle, you simply press the handle, LED can automatically glow. use: open the handle behind the switch, hand grip automatically -up, with one hand relaxed and comfortable back and forth for some time, and then put the handle to put away, turn on the light switch can be used. LED life of up to 100,000 hours or more, almost no consideration to replace the light bulb.