Wireless web cam is small and portable gadget (no any cable and wares) that feature is very important for some users.
First, is important before buying that gadget to get as much as possible details about certain type of cam. To look properly the specification and details, it will give you understanding what you need.
Very important to consider the type of monitor you have. Is better to choose web cam, taking in to account the design of your monitor - in order to make it look complete.
Mostly all presented on the market web cameras are suitable for both types of monitors modern flat and CRT monitors too. Also is very important the quality of lens, necessary to choose proper size of lens (pixel) it may be plastic of glass lens. Glass lens provides better quality comparing with plastic lens. Remember that if you want to use your cam for conferences on line (Skype, Windows messenger) better to buy that gadget with in-built microphone (also wireless). As being wireless, your cam may need option for power supply. Do not forget to buy charger for your batteries in certain tame when is necessary. Pay attention as well to frame rate of selected webcam. Medium gadget produce 24 images a second. The highest indicator can be 30 or more frame rates.
These most important moments will allow you to make right choose and to avoid regrets about not suitable device.