Since many laser users are familiar with laser pointer key chains
 

We have all, more than likely, seen a keychain Laser Pointer once or twice in our life times. Whether you are a laser hobbyist or just happen to be with someone utilizing a convenient laser pointer key chain, you may have mixed ideas about the versatility and value of a small laser keychain.
Its no mystery that laser providers and designers compete against one another for profits and control of the booming global laser pointer market. Since many laser users are familiar with laser pointer key chains, many distributors focus on providing many low cost laser key chains to the widest range of customers possible. This does occasionally create a problem for your average laser user. Because so many laser retailers are looking to offer handheld laser key chains at relatively low cost, we see manufacturers constantly pushing the bar for cheaper
Green Laser Pointer goods so that they can take a majority of market sales. This creates a problem as many low power red laser key chains flood a market looking for high quality laser pointer products.
This creates a dilemma for users of keychain laser pointers, or any type of hand held lasers for that matter. One must ask them what exactly they are looking for in their laser keychain pointer. Because you must balance price and quality before attempting to place any kind of laser keychain order, a little bit of simple research will go a long way for a successful laser chain purchase. There are so many cheap laser keychain pens that are on the market, it can be difficult to buy a key chain lasers worth holding on to.
If you are looking to acquire a high power laser keychain, you are entirely out of luck{.laser pointer pen} are usually never manufactured at any output over 5mw, unless they are designed specifically. Many keychain laser users prefer to try and modify their lasers for higher output powers, but be careful that you do not damage your keychain (or yourself) if this is something you are looking to accomplish.