GSM advanced alarm system with touch keypad
1.touch keypad
2.used as telephone
3.door bell function
4.24 wireless zones
5.learning code
Main function:

1. 2 wired zone, 24 wireless guarding zones, 1 relayout.
2. Send SMS to 3 preset mobile numbers and call to 3 preset telephone
    numbers by turns while alarming,after 10 seconds alarm voice message ,
    you can listen what happend in your house and achieve two-way communication function.
3. Support timing arm/disarm and partial arm/disarm.
4. You can arm/disarm the host by keypad,SMS and remote controllers.
5. With color LCD screen, touch button with blue backlight on the host, easy to program.
6. Modify the zone name and remote control the host by SMS command 
7. Support wireless door bell function.
8. Auto-detect doors/windows are closed properly before arming.
9. Support landline dialing and answering function.