This is an HP Agilent 54620C 16-Channel Logic Analyzer.  This unit is fully functional, however the cable is not included.  It is also missing the handle

Features:

• Color display
• 16 timing channels
• Maximum sample rate: 500 MSa/s
• Autoscale instantly shows you all active signals, scaled for easy viewing
• Triggering modes: edge, pattern and advanced (including duration times and sequences)
• Trigger on all input lines and external trigger
• Automated measurements of frequency, period, duty cycle, ± width, delay, and setup and hold time

 Shipping in the USA is $35.