BenQ MX711 3200 Lumen XGA 3D Ready DLP Projector USB/LAN/Wireless Display 10W Audio and microphone input Auto / Manual Keystone  40 Closed Captioning Teaching Templates for Letter Formation, Musical Staff, Worksheet and Coordinate Chart, you can easily write or draw on whiteboards as well as blackboards without the need of drawing lines or charts Featuring XGA resolution 3200 ANSI lumens 5300:1 high contrast ratio LAN Display and USB Display PC-Less Presentation with USB drive 10W Microphone Audio Power Wireless Display Auto / Manual Keystone  40