Features:
1) Can connect 64 channels smoke and heat detectors (0, 1 - 63)
2) Can save 4 groups telephone number
3) Two dial methods: tone (T), pulse (P)
4) After power cut off, the saved information will not lost
5) Record function
6) Automatically play function
7) Long-distance intermit dialing function
8) Avoiding keypad falsely-press function, and need use unlock key to unlock
9) Controller panel system state indicating, can match with several display devices to indicate system state
10) All smoke and heat detectors are two-wire parallel connected to the controller