... available for users by using mobile phone and telephone. This alarm system is widely used for security protecting, data surveying and ... Delay, 24 hours, Bypass defense zones program;9. Can connect high voice and flashing siren;10. Built-in NI-HI battery ... – can accept? ------- It can accept unlimited wireless sensors including door,PIR sensor,vibration sensors,smoke sensor,gas sensor, water sensor etc.3 ...