Alarm to hostgsm wifi wifi gsm receiving frequency433mhz unobstructed effective range mopen area wireless zones35 wired zones4 lcd displayy sms phone numbers6 alarm to user phone numbers6 alarm to center phone numbers2 alarm recordingno alarmdisalarm typepanel keyboard mobile app remote controller phone sms wireless keyboard local alarm sound scale dbm120 output power supply v power supply typebuilt in li battery battery working time hours10 operating h