Alarm to hostgsm receiving frequency433mhz unobstructed effective range mopen area wireless zones10 wired zones10 lcd displayy sms phone numbers5 alarm to user phone numbers5 alarm to center phone numbers5 sound recordingyes alarm recordingno alarmdisalarm typepanel keyboard remote controller phone sms local alarm sound scale dbm90 output power supply v12 power supply typecharger direct built in li battery battery working time hours6 operating humidity