... feature: 1,GPS tracker with waterproofshell 2,build-in shock sensor 3, large capacity battery Product Description: Model: GPS104This tracker is a ... in large capacity 6000MA battery, long standby time of 100 days.Powerful magnets to absorb to vehicle firmly.2, ... software tracking. 4,Web server online tracking Car GPS tracker with waterproofshell build-in shock sensor large capacity battery,