Insist on a battery life of no less than three hours, which suffices for an excellent Television present marathon or a really long movie. And since portables are inclined to enterprise into the weather, you need designs that take that into consideration. So water resistance is a good feature to search for, as are drop and shock proofing, additional options covered by high quality portable projectors. Better protected than broken!

Broadly put, visit this site, http://foros.cristalab.com/comparativas-de-mini-proyectores-t126830/, class refers to the average life of the light supply inside the projector. Traditionally, projectors had a consumer-replaceable lamp bulb inside. These days, this could check with a bulb, LED or laser engine mild source. Lamp life for a portable projector is between 10,000 and 30,000 hours, relying upon the light source used. Choose one with the longest lamp life doable.

Keystone correction is there to appropriate issues with the projector image shape. If a projector isn’t straight-on to the display surface (angled up or down), then the image can have a trapezium shape, smaller at the top than the bottom. Keystone correction adjusts for this situation, although it’s a digital correction, so that you lose some detail in the image; it’s worth getting the projector as sq.-on as you can.