ER2799B Features Locating and tracking your cars Message inquire function GPRS Class 12， TCP/IP built in GSM module Online inquiry position track History track playback Display mileage statistics Remote to restart the system Comes with electronic fence General Specs Brand & Model TK110 Type GPS Vehicle Car Tracker Color Black Material ABS  <80MA Product Details (without package and accessories) Dimensions 90 x 45 x 12 mm  Weight 45 g