Feature:
- Delicate, small, and powerful
- No need of power supply, a connected phone line is enough
- Auto-dial function: 6 groups of phones and 1 alarm center
- Dial all numbers for 3 times....
See more »We sell CCTV Camera, Spy Camera, IP Camera, DVR ( Digital Video Recorder) , Wireless Alarm Systems that use network landlines and mobile networks, Fingerprint ( attendance with fingerprints) , ....