YL-007FX(JOY-B) Auto-dial alarm system wireless 32 defense zones and 7 wired defense zones, all which could be displayed on the panel. Can set 4 user's phone numbers and 2 alarm center numbers. Long distance to alarm/disalarm/monitor. The panel will send signal if the detectors go wrong or being short of power. Auto-check the network, the alarm center will receive data when users' panel or detectors go wrong. Cutting the phone wire will cause the sudden alarm to prevent people from destroyment. Inner Ni-hy battery ensures to keep working for 24 hours once power is off. Alarm call has the priority to the normal call. kits: one host, one PIR detector, one door sensor, one adapter, one external siren, two remote controllers, a phone wire