Zetron Model 1517 (901-9383) SentriVoice+ monitoring system

Zetron Model 1517 (901-9383) SentriVoice+ monitoring system, housed in a NEMA 4X case with battery/charger/power supply, monitors 8 alarm inputs and transmits 40 second voice message, tone and alphanumerici pages, or alert tones over the user supplied radio or PA, 12 VDC