In addition, the TS721 features an energy-efficient lamp that lasts 3000 hours, while still delivering 2200 Lumens and a 2000:1 contrast ratio that ensure visibility in dark spaces. Additional features of the Optoma TS721 projector include a presentation remote with laser pointer and page-advance features, one 1-watt speaker, and a wide range of connectivity options, including VGA-In/Out, DVI w/HDCP, and USB. The Optoma TS721 retails for $699.99 and comes with a 2 year limited warranty.