... Latest Quad-band Child GPS tracker with SOS, geo-fence, locating and google software Child GPS tracker with SOS, geo-fence, locating and google software ModelWT200ApplicationPersonal ... alarm( over-speed, SOS), vehicle status( engine, door), speed, mileage, direction, GSM signal, GPS signal, Longitude, LatitudeMileage1. mileage statistics, can synchronize initial mileage2. working time and ...