Real-time positioning and SMS/internet tracking of excessive speed alert and sleep mode (energy-saving mode) Geofence alert remote control oil and circuit real-time tracking/distance fault analysis remote auto time interval and test GPS/LBS diagnostic functions GPS/LBS (location service) and dual built-in GPS and GSM antennas (smaller size, good for hiding) Easy to install and maintain Placement and tracking: Through the online placement platform or mobile phone to locate at any time and obtain the working status can choose the placement platform in this way Geofence: Setting up a geographic barrier for the unit to restrict its movements within a district The unit will send a message to the authorized numbers when the district is violated Excessive speed alert: when the target moves above a preselected speed, the unit will send an SMS and geo-information to track the authorized numbers: auto track by SMS or online placement platform, mileage statistics and ACC check Power cut and alert: when the tracker cuts off the power supply, the tracker sends an alert SMS to the user Remote oil and circuit control: can remotely cut or turn on the oil and circuit via SMS or online whenever you want GPS and A-GPS (LBS/location service): using global satellite positioning technology, LBS (location-based service) technology (although location through GPS is not possible, devices will have location information via LBS)