The Wind Up Emergency Torch

Have you ever heard of getting light by just a mouth blow wind? If Not Then Here It is "The Wind Up Emergency Torch". As I wrote above that you have to just blow a wind into it, and after that you can get the light for 30 minutes .This is a very useful torch. This Wind Up Emergency Torch do also use the batteries but these batteries are designed in such way that you don’t need to charge them daily. So just go a head and forget the darkness of power cut. These are very echo friendly also,as I am also using this "Wind Up Emergency Torch".