... 4 Ad inputs, 4 Digitial inputs, 4 Digital Outputs, gps tracking system. CWT5016 gps tracking system has been designed as a cost effective, low power, ... logging interval starts from 1 minute up to 24 hours.GPS tracking + temperature monitor + data acquisition + GPRS transmission + sms alarm + ... /tank positionAlert on low water/oil tank level gps tracking system (with temperature sensor, I/O controll)