The product, which is a new electric mosquito killer produced from new materials with new technology, has a wide range of mosquito killing, large battery capacity, fast charging speed and long use life. The can rapidly kill mosquitoes, flies and insects with a voltage as high as 2500V and is extremely safe for users even they touch its electric net carelessly. The mosquito killer can be used as a small flashlight after having been fully charged, when the alternative current (AC) used for charging is cut off, turn on the main switch 3 and press the lightning switch button 5, the light 2 will be on. In it, there is an embedded battery with large power capacity and long use life, which can discharge for hundreds of times without replacement, equivalent to hundreds of one-off batteries, thus it is extremely economical, convenient and practical.