Note: Australia, Singapore and South Korea stopped 2G GSM network service recently, so the GSM alarm doesn't work in the three countries. Please don't buy them if you are from the mentioned three countries to avoid unnecessary loss.
1.TFT Color Display , Touch Keypad, Voice Prompt,Humanized Menu Operation. 2.Built in backup rechargeable battery and Siren 3.PSTN GSM Dual Network, GSM850/900/1800/1900mhz Quad Band 4.Android IOS App Remote Control, SMS Call, voice Recording and Scheduled Arm/Disarm 5.Can make phone call as a Mobile Phone 6.99 Wireless Zones + 2 Wired Zones + 150pcs wireless Detectors Max + 150pcs remotes Max 7.8 types of Defense Zones, can Customize Detectors Zone Name 8.6 Alarm Call Numbers, 6 SMS Alarm Numbers and 3 SOS Help Alarm Numbers 9.can be set Arm Delay,Alarm Delay and check History List (Alarm & Arm/disarm List) 10.Voice prompt and Siren Volume are adjustable, and Voice & Siren can be ON/Off
Any detectors in the emergency zone, as long as a trigger whether it is in the arm or disarm mode will be immediately alarm, the correct approach: infrared door magnetic fit into the general zone, emergency button / smoke / feel into the 24 hours urgent Police area.
doorbell button triggers an alarm either in arming or disarming mode. Into the doorbell zone, do the doorbell button. A trigger doorbell button, the host issued a doorbell tone; into the emergency zone, do emergency button, whether it is armed or disarm mode, any time as long as a trigger immediately emergency alarm.