Intelligent auto-dial alarm system Joy-d economical alarm system With the basic function, easy to operate and the price is competetive. Can record the message , which can't lose once the power is off. Six phone numbers can be set to alarm. Long distance to alarm /disalarm/monitor. The system can adjust the code, and reduce or add the detectors according to your need. When triggering, the alarm call can has the priority to the normal call. Inner battery ensures to keep working for 24 hours once power is off, and continues to charge after the power is on. 1.2kg/set, 10sets/carton, 34*36*38
