SN013 is an Intelligent Vehicle GPS Tracking solution that comes with a CV21W OBD device suitable for car owners and car rental, loan vehicles, fleet management industries. CV21W is an OBD positioning device, which can realize functions such as an electronic fence, remote tracking, and over-speed alarm. The terminal can meet the needs of relevant scenarios such as car monitoring, car-hailing, and car rental. The CV21W has a small size and is easy to install and fix. The product has a built-in 80mAh rechargeable battery. It can continue to send positioning data to the platform terminal after the power is turned off. The device is designed to meet requirements like Real-time Tracking, overspeeding alerts, geo-fencing, historical data, remote-cut off, fuel monitoring and many others.