* can use the remote control. * can be used match with door magnetic detector or infrared detector or smoke detector or gas detector. * telephone (mobile phone) remote control programming. * pstn remote control programming. * gsm and pstn ,two in one design. * sms remote control preset & arm/disarm the main panel. * built-in intelligent english message. * alarm locking memory and information clear for easy checking. * one-key-control function: away arm, home arm, remote arm. * wireless intelligent learning encoding and comply additional accessories. * arm, disarm, monitor and intercom by remote calling the alarm unit. * real-time, delay, 24 hours, bypass defense zones programming function. * built in ni-hi rechargeable battery is available to provide power supply nearly 5hours automatically after power off. * ac and dc dual use are available for 24-hours-a-day normal guard. * main unit anti-tamper and low-voltage detecting function