电话线警报的小组

Telephone Line Alarm Panel Function: 1. 12 wired zones and 9 wireless zones 2. The function of guard stay, and it can close No.6 and No.7 wireless zone 3. 8 groups of alarm receiving telephones, maximum 16 numbers for each group 4. 20seconds records of alarm speech, test play for long-range or spot, replay automatically for alarm 5. Alarm on the spot when cutting or short circuit of the telephone line 6. Monitor and prevent the spot by long-range remote control 7. Learn and delete code automatically, and it's covenient to increase and reduce the components 8. Inner alarm siren, and it is optional to connect with external siren, and optional for silence or alarm 9. Single defense and linkage network