You wouldn't believe the amount of technology housed inside such a small device. The G2 uses USB to connect to your computer, laptop or netbook. You plug in the projector, install the drivers, and from then on, as soon as you plug it in, your screen will start projecting.
You can either use it as a primary monitor, or as an extended screen. Essentially you could buy two G2's and have a 200inch screen!
If projecting from your PC, is not your thing for the day, you can transfer data, photos, videos into the 1GB in-built memory, take it with you and then project from the memory.
It also functions as USB memory device much like a USB memory stick, so you can take all your files with you!
The G2 is your essential tool, whether you are a professional needing quick, simply, easy presentations on-the-go, or if you are just wanting to project that downloaded video from your PC, the G2 is perfect.