Feature 1, Real time tracking and historical track playback, can track and view vehicles in real time, can also turn on the historical track and select the corresponding date for track playback. 2, Electronic fence setting, the device will alert the APP client when entering and exiting the fence. 3, Can set operating mode and position upload interval as you like. 4, Enter your mobile phone number in the dialog box and click ok. After setting successfully, your mobile phone can receive alarm information and calls. 5, Enter your mobile phone number in the dialog box, and click ok. After setting successfully, will dial your mobile phone number, and then listen to it. During the call, you can hear the voice on the other side of the device, but the device cannot hear youFeatures: 1. Real time tracking and historical track playback, can track and view vehicles in real time, can also turn on the historical track and select the corresponding date for track playback. 2. Electronic fence setting, the device will alert the APP client when entering and exiting the fence. 3. Can set operating mode and position upload interval as you like. 4. Enter your mobile phone number in the dialog box and click ok. After setting successfully, your mobile phone can receive alarm information and calls. 5. Enter your mobile phone number in the dialog box, and click ok. After setting successfully, will dial your mobile phone number, and then listen to it. During the call, you can hear the voice on the other side of the device, but the device cannot hear your voice 6. Click ok and the device will restart. Alarm can be turned on and off, and set the alarm reminder mode. Specification: Condition: 100% Brand New Material: Plastic Color: As Pictures Shown Charging Voltage: DC 5V/1000mA (MICRO USB) Built-in Battery: 8000 mAh (3.7V) Operating Temperature: -20- 55 C Operating Humidity: 5% to 95% Non-condensing 4G Communication Module: EC20-CE GPS Chip: UBLOX7020 GPS Sensitivity: --162Db GPS Frequency: L1, 1575.42 MHz C/A Code: 1.023 MHz Chip Rate Channel: 56 Channel all-in-view tracking Positional Accuracy: 10 meters, 2D RMS Speed Accuracy: 0.1 m/s Time Accuracy: Satellite time 1 microsecond synchronization Default Data: WGS-84 UpdateTime: Average 0.1 sec. Hot Start: Average 1 sec. Warm Start: Average 30 sec. Cold Start: Average 32 sec. Maximum Height: 18,000 meters (60,000 feet) max. Maximum Speed: 515 meters/second (1000 knots) max. Maximum Acceleration: Less than 4g Wink Movement: 20 m/sec Stand-by Time: 100 days LED Light: 3 LED lights display charging, GPS and GSM status Button: SOS Help Optional Type: A, B Weight: Approx. 286g Size: Approx. 104x55x23mm/4.09x2.17x0.91inch Quick Installation Instruction: 1. Open the rubber plug on the side of the device, load the SIM card and automatically start the machine. 2. If you need to charge, please plug the USB charging cable into the device, and connect the USB cable to the charger to charge. Frequently Asked Question: After setting instructions on the APP, it always shows that the sending is in progress or the sending fails for the following reasons: a. The device has no signal and cannot transmit GPRS data b. The SIM card of the equipment has not opened the function of GPRS. It is recommended to open 30M flow monthly. c. When the device is talking, the GPRS number transmission will be automatically closed The device on the APP has been disconnected: a. The device's SIM card has insufficient balance to transmit data and make calls b. The equipment is not turned on or power off c. The equipment is in an environment with no signal or poor signal Note: 1 x GPS Position Terminal 1 x Manual 1 x Data Cable