- Accurate 24 hour digital time clock displays hours and minutes synced to AC power- User programmable 24 hour, 128 event timer in two separate schedules- Programmable day of week on/off feature- Programmable single, double or triple alert tone output (selectable bong or buzzer)- Three contact closure controlled sounds:- 1) Emergency siren (yelp) sound- 2) Temporal (slow whoop) evacuation signal- *NFPA/ANSI compliant when used with supporting equipment- 3) Doorbell (chime) sound- Volume controllable, 600 oh