Viewsonic A71F+ 17" CRT Monitor OnView controls - Screen adjustments are made via an on-screen menu using simple controls. OSD lock secures your settings Anti-static, anti-glare screen treatment cuts reflection and glare for exceptional viewing comfort Unit Size WHD - 16.2 x 16.0 x 16.6 OS Compatibility - PC VGA up to 1280x1024 / Macintosh Power Mac G3 / G4 up to 1024x768