Optoma TX612-3D Multimedia Projector Projector Protect your investment  Control panel lock and password protection allowyou to customize security settings Rapid power-on and shutdown  Saves you time Standby VGA and audio pass-thru feature reduces power consumption Easy-to-read text  Bright at 3500 ANSI lumens and 3000:1 highcontrast ratio Wireless connectivity with optional dongle Easy-to-read text  Bright at 3500 ANSI lumens and 3000:1 highcontrast ratio Standby VGA and audio pass-thru feature reduces power consumption Wireless connectivity with optional dongle Rapid power-on and shutdown  Saves you time Protect your investment  Control panel lock and password protection allowyou to customize security settings