The iStartek VT300-L is an ultra-cheap 4G GPS tracker designed for tracking vehicles such as trucks, trailers, and bicycles. With its 9-100V voltage power supply, it can be easily installed in a wide range of vehicles. This tracker offers full network compatibility with 4G CAT4/CAT1/CATM, ensuring reliable and fast communication. One of the standout features of the VT300-L is its multiple positioning systems, including GPS, BDS, and QZSS. This allows for high-precision real-time positioning, ensuring accurate tracking of your vehicles. Additionally, it supports a capacitive/ultrasonic fuel sensor for fuel monitoring, making it ideal for fleet management and monitoring fuel consumption. The VT300-L is equipped with a 300mAh internal battery, providing backup power in case of a power outage. It also supports dual server IP, allowing you to upload location data to two servers simultaneously for added redundancy. In the event of tampering, the tracker features a tamper alarm that will send a warning to the device automatically. With its 16MB flash memory, the VT300-L can store buffer data when the signal is lost, ensuring a complete tracking route. It also features a temperature monitor, making it suitable for cold chain transportation, and supports up to 8 temperature sensors at the same time. Additionally, the tracker offers driving behavior monitoring, including harsh acceleration, braking, turning, speeding, and drunk driving alarms. The VT300-L comes with multiple I/O options, including 2IN, 1AD, 1OUT, 1-WIRE, and 1RS232, providing flexibility for various applications. It is also IP66 waterproof, ensuring stable operation in tough environments. With its wide operating voltage range of 9-100V, the VT300-L can be used in a variety of vehicles, making it a versatile and cost-effective tracking solution.