The Commodore 1701 is a color monitor made by Commodore. The monitor has audio (mono), can display video and is suitable for the VIC 20, C64, C128, C16, C116 and Plus/4.
The difference between a 1701 and a 1702 is that the 1701 was supplied with a 5 pin DIN video cable and the 1702 with a 8 pin DIN video cable.