... ),wireless keypad(optional),remote controller,and phone call9.Available in AC/DC low voltage alert10.Press-to-learn sensors to alarm host ... -check function, alerts of no SIM card,alarm host low power, external AC power failure14.Store 99 alarm records and 99 arm ... show:arm anyway?16.Intelligent version(optional) support sensor’s low battery power alarm(send signal to alarm host, only for ...