... -second voice record SMS alert for power off alarm history Wireless Home Burglar Security Alarm System with Intercom, Voice Record, ... PIR sensor 1 pc,Door sensor 1 pc,Power adapter 1 pc,User manual 1 pc.(Users can add more sensors/ detectors ... if needed) Pet-immune PIR sensor,smoke detector,gas detector,heat/ temperature detector,wireless flash siren,glass break sensor ...