Type:Gps Tracker Use:Automotive Function:GPS TRACKING Description:vehicle tracking device gps tracking software Model No:TK103/GPS318/GPS518/VT600X/GPS103 Gps chip:Skytra/huaxun GSM/GPRS Module:SIM800 Dim:87 * 64 * 26 (mm) weight:495g Band:850/900/1800/1900MHz Power supply:DC 9V-30V/3A Backup battery:500mAh/3.7V warranty:12 months Internal Memory: 2-5 Mbs Integration Manuals Show More