Wireless burglar gsm alarm systems security home safety voice lcd sms alert android app with doorbell smoke detector
Alarm to hostgsm receiving frequency433mhz unobstructed effective range mindoor open area wireless zones120 wired zones2 lcd displayy sms phone numbers6 alarm to user phone numbers6 sound recordingyes alarmdisalarm typephone sms local alarm sound scale dbm115 output power supply v12 power supply typebuilt in li battery operating humidity rh
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