The ASK Proxima® C170 delivers freedom to your fingertips , combining unrivaled power , access , and simplicity together to give you digital projection with PC-free playback . This truly stand-alone projector offers you an impressive selection of connection options ? wired or wireless , computer or video sources , and even the option to go PC-free with your USB flash drive ? setting you free to focus on a flawless delivery , and not your equipment . Powerful performance - offers a bright 2000 lumens ( standard mode ; 1500 lumens in whisper mode ) , a contrast ratio of 1000:1 , native XGA resolution , as well as a multitude of connection options , including M1-DA and VESA for computers , 3.5 mm stereo audio input and loop , S-Video and component ( RCA ) video ? PC-free presentations - Simply plug your USB flash drive into the LitePort™ connection , and the projector takes care of the rest , with all the software you’ll need built right in ? Excellent management & control ? Get cable-free interaction through the optional LiteShow™ wireless module , networked control through ProjectorNet™ software . Ease of use - intuitive controls and remote , automatic projector orientation , and color-coded inputs for your convenience