Up to 14 Schedules and up to 1,000 Events6 minutes of CD quality WAV file record timeUp to 14 different tones or messages4 programmable trigger inputs for emergency tones, etc.Automatic Day Light Savings Time and leap year correctionProgrammable NTP Clock synchronizationPC programming software included • RS485 clock SYNC terminals for remote Master Clock control of Viking CL Series RF synchronized clocksNon-volatile memory with 4 day clock back upFactory loaded with school/factory tones and evacuation signals (ANSI S3.41), etc.Remote program via TCP/IP networkPage trigger outputs (12VDC and DPDT relay)Programmable Auxiliary relay contacts (DPDT)24 hour digital clock displays hours & minutesOne mono line level pre-amp input and audio outputBuilt-in 1 watt mono audio amplifierOne isolated audio output for PABX / dial access pagingMaster volume controlProgrammable volume control per tone/messageTime base selection: Network, 50/60Hz or internalProgrammable message repeat count for trigger inputs