Our hand-power LED lamp is a ultimate emergency product which has more than 20 patents on it . besides, it pass CE certification. The lamp is portable and can perfertly be recharged by changing mechanical energy into electricity. Meanwhile ,it could recharge mobile ,MP3, camera,DV,notebook for emergency and urgent condition necessary. When field exploring ,mountain climbing or some urgent cases, it can be a ultimate portable power supply. And it can last 1 hours by hand crank only for 5 minutes.[...]