camping light,camping lanterrn,dynamo lantern,lantern,wind up lantern,wind up light,dynamo light LED camping lanternFunction & Feature 1)Enjoy safe and ... last up to 100,000hours3)Built-in rechargeable battery4)Recharge by rotate the crank handle or DC 6V apapter ... cranking should yeild approximately 20 minutes of power(4LEDs)Cmping lantern ,ideal for emerency, camping&hiking, power outages,earthquakes ...