This Acer projector is versatile perfect for both work projections and private parties. For images that are precise and natural the P1173 video projector displays a dynamic contrast ratio of 13 000:1 and a brightness of 3000 ANSI Lumens coupled with proprietary technologies like ColorSafe II and ColoreBoost II. The Acer P1173 is a model of simplicity perfectly designed for business meetings. With SmartFormat proprietary technology there’s no need for difficult adjustments to your projections. Instant synchronization ensures a 4:3 display that’s always appropriate to the projected source. This Acer projector is also environmentally friendly with a lamp life of up to 10000 hours.To enjoy the 3D technology of this projector Acer a pair of glasses is compatible (not included) is required.