ViewSonic LS510WH-2 3,000 ANSI Lumens WXGA LED Business/Education Projector​ - 1280x800 - 16:10 - 1.1x Optical Zoom - 40-degree Vertical Keystone - Built-in 2W Speaker - HDMI 1.4 - USB 2.0 Type-A - Ethernet LAN - 3.5 Audio In&Out - RS232 (LS510WH-2)