[Precise real-time positioning]: Real-time monitoring, automatic display (Android / iOS APP, Web / GPS / A-GPS and WAP), real-time monitoring, free, GPS / LBS positioning error up to 5 meters. [Geographic fence alarm]: You can set a geofence area. If the vehicle is outside the area, an alarm message will be sent to the mobile phone, which can effectively prevent theft and theft after the vehicle is stolen. [Historical path and query storage]: It can store historical path information, facilitate post-query and monitoring, and support LBS positioning service. Even if the car is in the underground channel, it can track its LBS signal instead of GPS signal. [Compact and Convenient]: This GPS tracker is only 90x 45x 13.5mm, with built-in power cut-off, wide input voltage range (fits all cars), plug and play, very convenient and practical. [Wide Range of Applications]: It can be applied to all types of vehicles, large, medium and small, including cars, trucks, motorcycles, buses, and can be combined with multiple management devices. It is convenient for passengers and cargo to transport vehicles. Real-time monitoring and management.