... tracker odometer, vehicle gps tracker RPM, vehicle gps tracker taxi meter, vehicle gps tracker, car trackerPreview: Four-Band GSM 850/900 ... replay: Replay history trace on Google map & E-mapRemote Oil/Electricity controllingInput for door open/close alarm sensorListen to the voice ... Humidity: 5% to 95% vehicle gps tracker odometer, RPM, taxi meter, support LCD, camera, Canbus, RFID, fuel sensor CW-701