* Speech indication for all operation steps, English LCD screen

* Enable to set Tel-line on / off status monitoring / turn to use GSM transmit alarm automatically

* Built-in GSM module, supports call or send out SMS message to mobile phone when alarm had been triggered

* Built-in door bell tone

* Built-in high tone loudspeaker

* Wireless frequency 433MHz/868MHz

* Supports dual-way communication, enable connect 8 wireless remote and 8 electronic switch, 1 wireless doorbell and   unlimited for quantity of one way wireless siren.

* Remote control via phone / voice alarm / 10 seconds for live listen and recording

* Wireless device status inspection / wireless alarm linkage

* Programmable 8 wired zones / 32 wireless zones

* 2 alarm center phone number (CMS number) / 4 voice numbers / contact ID protocol

* Supports GSM module optional SMS alarm / arm / disarm / control electronic appliance

* Supports CID protocol upload / supports 4,6 or 8 digit user ID code

* 4 group timing arm / disarm setting / remotely arm / disarm / live listen function

* Arm / disarm status resume after power off

* 120 alarm log and inquiry / 10 seconds for recording

* Communication protocol to alarm center - Ademco / Contact ID

* Inspections wireless device lose or low battery

* Built-in rechargeable battery 9.6V/1600mA up to 8 hours when power off

* Included external 12V/2000mA power adapter