... Product Description wireless home gsm alarm system, burglar gsm alarm system, PTSN GSM alarm system, auto-dial gsm alarm, burglar gsm alarm, alarm, Land line and GSM Alarm system, wireless gsm, ... Station, the panel can set to speak: after alarm date transmitted, the center station operator can speak ... disarmed, every detector can be set to locally alarm(do not dial out) when triggered in disarmed ...