alarm function 1) The system can record the message which wont lose after no electricity; when triggering, the receiving phone will tell the set message . 2) Long distance to alarm /disalarm/monitor. 3) The system can adjust the code, and reduce or add the detectors according to your need. 4) When triggering, the alarm call can has the priority to the normal call. 5) Inner battery ensures to keep working for 24 hours once pow is off, and continues to charge after the pow is on. 6) With the function to against thunder. telephone function. 1) With the music, aslo can set the music , date and time according to you. 2) Compatible with all network. 3) Date and time can be set, and the dialed /received phone nembers can be stroed. 4) With the function to calculate and set alarm. 5) Can be used as a phone to dial and receive. website: