T366 is an enhanced OBD GPS tracker and integrated a WIFI function, which adopted GPRS and WIFI dual-mode wireless communication, can satisfy user's more options and requirements of communication. Between GPRS and WIFI can automatically switch on or off,when users do not need a too high real-time requirements,device can be selected for WIFI communication only, but in the presence of alarm condition, device can switch to the GPRS and WIFI double mode communication automatically. So it's not only ensure the important data in real-time, but also significantly reduce the operation fee. At the same time, T366 supports all the features of T361.