Type:Gps Tracker Use:Automotive Function:gps positioing ,playback routes,vibration alarm,over speed alarm Function:GPS+GSM+GPRS Tracker Model No:ET300 Color:Black Voltage:9-100V Material housing:Plastic Size:67(L)*38.8(W)*11.5(H)mm Use:Automotive Gsm antenna:Built-in qual band type Gps antenna:Built-in type Brand:Benway