Clean crank dynamo energy: no need to have extra battery or power source!
Rotate the handle for 2 minutes to charge your mobile phone for at least 1-4 min conversation
Rotate the handle for 1 minute to power up the super-brigjht flashlight torch for at least 30 minutes
Fully Charged built-in battery is enough to power up FM radio for at least 100 minutes
Super loud alarm function
LEDs instead of bulbs, high-quality switch, water-reistant design guarantee a very long product life