TK306 Car Positioning Tracker OBD II GPS Tracker The product is shipped based on the color or size of the main image of the product page. Feature: 1. Intelligent power saving mode.2. Blind zone retransmission function, when the cell phone signal is not available, the data is saved in GPS, and when there is a signal, the signal is retransmitted.3. AGPS function, fast and accurate positioning.4. Power saving and provincial traffic function.5. Vibration alarm, folding equipment alarm.6. APP settings, no need to send SMS settings.7. Free installation, free to set up plug and play. Specification: Size: 63mm x 46mm x 17mmWeight: 40gInternet: GSM/GPRSNetwork band: 850/900/1800/1900MhzChip: UBLOXGPS sensitivity: -159dBmGPS accuracy: 5mFirst start time: Cold status 45s/ Warm status 35s/ Hot status 1sStored temperature: -40°C to +85°COperating temperature: -20°C to +55°CHumidity: 5%--95% non-condensing Package Included: 1 X TK306 Car Tracker