Diy alarm system 433mhz sms phone remote controller mobile app panel keyboard rfid card 433mhz gsm sms alarm sound alarm home alarm systems n
Alarm to hostgsm receiving frequency433mhz unobstructed effective range mopen area wireless zones99 wired zones2 lcd displayn sms phone numbers5 alarm to user phone numbers5 alarm to center phone numbers2 sound recordingyes alarm recordingyes alarmdisalarm typerfid card panel keyboard mobile app remote controller phone sms local alarm sound scale dbm90 output power supply v12 power supply typecharger direct built in li battery battery working time hours5