Tips to buy a projector & analysis of function and resolution

Has now entered the era of the big screen, whether it is the monitor orTV, etc. These devices are displayed at a rapid pace toward the big screendirection. The projector as a really big screen display terminal device is hasalso gained popularity in people's lives now. So as a consumer, what do youknow about projectors? Do you know what factors need to be considered beforeyou buy a projector? Do you know what skills you can use to purchase aprojector? The following are some details for you to buy a projector.