1. Emergency alarm function. When encountering an emergency situation, the driver can press the emergency alarm button to send an alarm to the center. Due to the complexity of social security conditions, many drivers of public transportation, tourism, and long-distance buses in the past were afraid to report public security cases such as theft and robbery in their cars due to fear of retaliation, which further worsened the situation and seriously affected the social image of the passenger transportation industry and enterprises. After using this function, the driver can send an alarm to the center without any signs, and the center can judge the alarm situation based on the condition inside the car and report it to the public security organs.

　　2. Fatigue driving report function. When the driver drives continuously for more than 4 hours and the intermediate parking time is less than 20 minutes/time (non cumulative), it is considered as fatigue driving. The onboard terminal will upload a driver fatigue report to the monitoring service center.

　　3. Mileage statistics function. This product can automatically calculate the mileage traveled by a vehicle by calculating GPS data. The driving route and fuel consumption control of drivers have always been a problem for logistics operating units. Through statistical analysis of mileage data, logistics units can design optimal driving routes, regulate driver driving behavior, and most importantly, control costs and economic benefits brought by optimizing driving routes.

　　4. Remote upgrade. After the product is officially put into use, if additional functions need to be added, they only need to be approved by the monitoring service center and can be upgraded remotely through GPRS for the vehicle terminal. This feature greatly improves our remote maintenance capabilities and efficiency for products, saving disassembly and installation costs and labor consumption in the distribution area, while also avoiding disturbing users.

　　5. Voice playback function (optional). This product has functions such as voice playback, prompts, reminders, notifications, etc. It can also play fixed prompt information that has been recorded in the vehicle terminal according to the central command. For example, when the vehicle is speeding or in a special location, the vehicle terminal will automatically play the corresponding prompt. It can not only reduce the investment in LCD screens, but also avoid safety hazards that drivers may encounter while driving due to viewing information.

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