... 2.English voice prompt 3.Unique watchdog function Auto arm/disarm alarm system (LS-GSM-007) Features:* Group SMS, landline ... and GSM optional* 6 groups timed auto arm/disarm, away/stay arm optional* When work with Center Station, the panel ... , and can disarm remote by user phone* Unique watchdog fuction, monitor the old, patient or important placer* LCD and blue back ...