Sentexin Portable LED Camping Light Outdoor Emergency Lighting USB Charging Flashlight/Desk Lamp/Lantern White Independent battery does not need external power supply. Small size is convenience for carrying,It also can be fixed on the bicycle as a flashlight when you are cycling Strong magnetic high beam can be used when searching,low beam can be used when camp,weaker light can be used to look at the map or to used to find items. Multiple modes of adjustment,suitable for various occasions Solid stent structure + high-grade acrylic panel+ aviation aluminum alloy,make it more solid and durable. One year warranty.Using the general type USB charging jack,it is more convenient for you to go out.