NOTIFIER SFP-5UD FIVE ZONE 3 AMP FIRE ALARM CONTROL PANEL REPLACEMENT BOARD. FULLY FUNCTIONAL PRE-OWNED CONDITION. FIRMWARE VERSION 3.1 B2. EVERYTHING PICTURED IS INCLUDED. MAIN BOARD, POWER SUPPLY, TRANSFORMER, AND CHASSIS ALL INCLUDED. ALL QUICK DISCONNECT PLUGS SHOWN INCLUDED. E. O. L. R. SEE PICTURES FOR DETAILS.