 AppleColor High-Resolution RGB Monitor

The AppleColor High-Resolution RGB Monitor (not to be confused with the 1986 AppleColor RGB Monitor sold with the Apple IIgs) is a 13" (12.8" viewable) Trinitron aperture grille CRT with a fixed resolution of 640x480 at 66.7Hz.It was released with the Macintosh II computer and manufactured by Apple Inc. from March 1, 1987, until December 1, 1992.