ViewSonic PJD5523w WXGA DLP Projector - 720p, HDMI, 2700 Lumens, 3000:1 DCR, 120Hz/3D Ready, Speaker (Old Version) WXGA 1280x800 DLP Projector, 2700 ANSI Lumens, 3000:1 DCR; HDMI input connectivity, 120Hz/3D-Ready powered by TI DLP Link, Supports HD 720p/1080i/1080p Requires the ViewSonic VP3D1 3D Video Processor to convert 3D HD formats to display on ViewSonic 3D-Ready or DLP Link 3D-Ready projectors with HDMI Multiple inputs: Dual RGB in, HDMI, composite, s-video, RGB out, audio in/out, RS232, Apple Mac compatible, 1.2x optical zoom lens Integrated Speaker 1w, Digital keystone correction +/- 40, Portable lightweight 5.7 lbs Lamp life: 4000/6000 (Normal/Eco), Eco Mode for energy savings, longer lamp life and reduced noise, Remote control with batteries included