... with waterproofshell 2,build-in shock sensor 3, large capacity battery Product Description: Model: GPS104This tracker is ... Functions1,Waterproof shell,Built-in large capacity 6000MA battery, long standby time of 100 days.Powerful magnets ... Active and deactive DOOR ALARM, ACC ALARM, SENSOR ALARM by remote control9,tracking function by ... with waterproofshell build-in shock sensor large capacity battery,