Detailed Product Description Item no.:GW90042Desc:Dynamo led flashlight with flashSize:Φ5*20cmpower:solar panel Feature:Battery - free,no ... brushes electrical machinery (10V,400MA), rechargeable by crank with red indicator(cranked one minuted,can generate 20-30 minutes ... or light), 4 led super bright,Economic,durable,energy-saving and environment friendly,Use for family,hotel,camping ...