A. 6 group of TEL numbers programmable
B. Telephone line anti-cutting alarm
C. Mute/Sound alarm is optional
D. Listen in remotely by mobile or telephone
E. Remote control over mobile or telephone
F. With built-in 80 dB Siren,(volume is adjustable)
G. up to 5 remote controllers and 20 other wireless accessories
H. With Voice instruction |
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