ShineMe&reg; Self-Powered Hand Cranking Dynamo LED Flashlight,Alarm Flashing Light Hand Cranking Rechargeable Emergency Hand Cranked Mobile Torch (Multi-function)-Silver&Black Super Bright 3 LED Flashlight Charges with Built in Hand Crank Power Generator. Features 8 Lumens of Light, 3 modes LED Control options, One LED - Three LED's - Three LED's flashing Never needs any Cables to recharge or replace batteries to function, Works up to 4 Hours at a time.When you recharge by hand cranking a minute,you can use for half a hour. Spotlight distance:50M. Adjust to everyday life, camping,hiking,night riding,caving and other outdoor activities.