Dynamo Torch Lantern with FM Radio , Led Dynamo FM Radio, Led Dynamo Lantern with FM Radio, Dynamo Torch and Lantern with Radi0 Feature, 1 ... size: 21.5x7.5 cm* Switch: torch / lantern/ off* Radio(FM, 87.7~107.9MH). * Rechargeable battery: 3.6V 40mA (lithium ... .Crank 1 minut to keep: 5-8 munits power for FM Radio Dynamo Torch and Lantern with ...