Serial Mouse. Includes Mouse Driver on Diskette. Requires 3.5" floppy disk drive and COM1 or COM2 serial port. Microsoft Mouse and PC Mouse System Compatible. For IBM PC, XT, AT, or other 100% IBM compatible. Compatible with 286, 386, and 486 PCs.

System requirements:
IBM PC / XT / AT or other 100% IBM compatible
One Floppy disk drive
DOS version 2.0 or later
256K RAM or more
COM1 or COM2 serial port

Minimum shipping wt. 1 lb.