... feature: 1,GPS tracker with waterproofshell 2,build-in shock sensor 3, large capacity battery Product Description: Model: GPS104This tracker is a ... time of 100 days.Powerful magnets to absorb to vehicle firmly.2,Real-time tracking, retrieve of lost ... alarmApplying directions: Vehicle fleet/logistics/Vehicle rental Technology parameter:1,GPS chip: SIRF3chip 2,GPS sensitivity: -159dBm 3,GPS accuracy :5m ...