Simple and friendly user interface designAllowing add more than one accounts in one smartphoneActivate/De-activate the alarm systems remotelyArm modes have Stay Arm and Away ArmSystem's status (Armed or Disarmed)Turn On/Off the relay output (New function)Make phone call to alarm system for remotely controllingSend SMS to user phoneAlarm Panel Features: Smart touch keypad with 4 line message LCD display Quad-band GSM communication, works with SIM card Calender, five personal emergency phone numbers One central monitoring station phone number Alarm notification via phone call or SMS Built-in speaker and microphone Remote two-way intercom Extra SMS phone number for system's status Alarm memo, entry delay, exit delay Hybrid alarm, 30 wireless zones, 4 hardwired zones Advanced zone attribute, user-friendly zone names Temperature display and relay signal output Support wireless LCD/LED keypad and wireless siren Support user code and installer code 100 alarm log SMS alert, when system: Arm/Disarmed, sensor's low battery, AC power failure, phone line disconnect Reset factory design Built-in siren Alarm communication via ADEMCO Contact ID protocol Backup rechargeable batterySupport wired/wireless siren, wireless keypad.Work with IP camera.