... phones, no need the fixed telephone line. 4. Can set HOME arm/AWAY arm5. When alarming, system plays the recorded voice ... about 12 hours.13. With output relay, can control the home appliance, like light, cooker and so on Technical parameter: Operating ... receiving distance: >100mOperating Frequency: 433 MHZ, 850/900/1800/1900MHZStandard kits: a main panel,a voice speaker, a wireless PIR detector ...