** Bright & Vivid** With WXGA resolution 1, high brightness, high contrast & Acer Color Technology, your presentations will be more compelling with sharper texts & vibrant images, even from a distance. Combined with DLP® 3D Ready 2 you can also enjoy an immersive theater-like 3D entertainment experience. ** Acer Dust Shield** The accumulation of dust over time can cause a projector to not function properly & lose its original brightness. With Acer Dust Shield, Essential series projectors can defend against the detrimental effects of dust, allowing them to work better, for longer, & requiring less maintenance. ** Convenient & flexible** Essential series projectors have features that make them easy to use including 9 key control panels 1 on the top of the projectors & 40-degree keystone correction that automatically adjusts vertical distortions. Their ceiling mounts provide four ways to install them so you can pick the method that best suits your needs. ** Eco-smart** Essential series projectors sport eco-friendly technologies that are better for the planet & good for your wallet. Their standby power consumption can be reduced by 90% & by 70% when powered on, which helps to prolong the lifespan of its lamps (Up to 10, 000 hours) for lower replacement costs.