1.The machine is adopted the circulation design. and has perfect appearance and smooth handle. 2.Adopt the mechanical equipment to bring electric power. which is the product of environmental protection. 3.Adopt high luminance LED as bulb. The useful life can last 100,000 hours. 4.FM radiogram. 5.Multifunction ensures the product can charge by its mechanical equipment or power supply, also can be operated with batteries. 6.After chargeing up the batteries , the batteries can last (continuously)5~8 hours. 7.if shake with hand for 1 minute, the flashlight can last out lighting 10 minutes. 8.using waist clamp can make the product be carried conveniently. 9.Function of sound and light alarm. 10.Output function of generating electricity.