... feature: 1,GPS tracker with waterproofshell 2,build-in shock sensor 3, large capacity battery Product Description: Model: GPS104This tracker is ... and Resume8,Active and deactive DOOR ALARM, ACC ALARM, SENSOR ALARM by remote control9,tracking function by timing and frequency10 ... by SMS command & reset button on the device11,Input Power: 12V-24V DC12,GSM/GPS LED indicator13,Authorized number added and ...