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HFD-20ATG99 GSM/PSTN Alarm System




HFD-20ATG99 GSM+PSTN dual network dial alarm system with LED display(99 zones
Brief introduction of system
This alarm consists of main panel of alarm and various wireless-connected accessories. When people enter the defense region illegally, the main engine will give sound of sirens and call the hosts, so hosts can return home or inform neighboring relatives to cope with the instantly. Also, they can monitor the sound on the spot.    
Alarm installation

Insert the plug of telephone outside line into LINE2 of the main engine and connect LINE1 of the main engine with telephone using attached telephone wire of alarm. Then joint up the power source and warning signal; meanwhile the main engine will give a sound of “B” and light of the power source goes on, which means the main engine starts working.