Features:

1. Large LCD English blue back-light display with voice prompt
2. Support 99 wireless zones and 4 wired zones
3. Each can be defined as one of the 8 zone types optional
4. Four sets of scheduled arm/disarm function
5. Store 6 alarm phone numbers, saved inside EEPROM without lost upon power failure
6. Support ISD automatic voice mailbox for playback message upon alert
7. Remote Arming /Disarming/Monitoring by phone
8. Connect max 150pcs remote control and 150pcs detectors
9. Unique black box function, can display recent 72 disarmed records and 102 recent alarm recording. Accurately shows the alarm time and zones number
10. Wireless frequency: 315/433MHz