T356 is a WIFI, 0 use-cost OBD II GPS tracking device. It's the built-in high capacity flash for two weeks data storage. The built-in WIFI functionality supports the device to synchronized the all full storage data to the server within quite a short time. T356 can be preset more than 1600 WIFI AP information to support the device sending the data to the server more easy and quickly. Just like during the vehicle refueling, the device could be upload the data to the server via the preset AP. The internal GPS and OBD functions support to real-time recording and analyzing GPS and OBD data, including mileage and fuel consumption data statistics. It's integrated the 3-axis accelerometer can be real-time monitored 8 kinds of bad driving behavior. It's built a power-cut output and a configurable input circuit to facilitate the device's extension functionality.