... D voltage input10bit digital,5V,12V,24V,30V optional) Outputs Oil and electricity control, sound/light alarm, Remote controller signalAlarm ... alarm and the alarm trigger mode, like how does an analog input change and how long, when to trigger alarm. Gradual Stop ... , also SMS on GPRS, Voice calls.OTA Settings Modification change the communication settings, including APN/Username/Password/SMS Center/SMS ...