Portable keyring torches are great and most of us have had one on our keys at some point. The problem with them is that they run out of batteries and become useless. They always take a really small battery which can be expensive (sometimes costing more than the torch itself!), hard to find, and fiddly to fit in.
Now you need never be stuck in dark again with this super bright LED torch. No batteries are required as all you need to do is wind and shine. The torch is small and lightweight so it's extremely portable and the LED's promise a long lasting lifespan.