Phone and Net Connection Burglar Alarm System
8 defense area phone and net connection burglar alarming system
8way LED bearing indication, preset 8 group phone numbers, ADEMCO CONTACT ID compatible, wireless automatic code paring, difference place set and unset defense and AC/DC use.
Working volt: AC220V DC12V
Dialing way: DTMF
Wireless frequency: 315/433MHz
Wireless distance: 200-500M (Open land)
Apply to the home, factories, school and the shops