Features: 1) Hand-shake generate electricity, saving energy and protecting environment, portableand durable 2) Portable electrical source: match some relevant electrical source fittings, thisproduct could charge and discharge for mobile phone, police signal lamp, radio,MP3 and so many other equipment3) It can use 14-20 hours continually after charge each time4) This light not only can get the electricity power by hand shake, but also canvia the truck electricity, electricity net and sun power to get the electricity power(need to buy some relevant fittings)5) In order to prolong the light's life, please kindly charge under the light keepbright, that is to say charge often but don't charge long time at a time: usehand shake 10-20 minutes every day, illume 2-4 hours is better every day
