Voice sim card gsm alarm system quad band wireless wired for home house security with 3 door sensor 2 pir detector
Alarm to hostgsm receiving frequency433mhz unobstructed effective range mopen area wireless zones6 wireless zones each zone can have 8 to 10pcs wireless sensors 50pcs max wired zones4 sms phone numbers6 alarm to user phone numbers6 sound recordingyes alarmdisalarm typephone sms wireless keyboard local alarm sound scale dbm120db output power supply vdc12v 1a power supply typebuilt in li battery battery working time hours8h operating humidity rh