Powerful 4G OBD GPS Vehicle Tracker – This affordable 4G OBD vehicle tracker can detect bad driving behavior, calculate mileage, provide location alerts, and offer the remote listen-in capability. Offers Real-time Tracking Always know where they are on the map while they are on the road with our free app, or through SMS alerts. Check their speed, location, and bearing just by tapping on a notification. Intelligent Alert Voice alarm reminds drivers to maintain safe driving behavior Advanced Accelerometer Gyroscope Reduces GPS uncertainty, accurately calculates mileages Remote Listen-in An inconspicuous Mic allows you to remotely listen to the sounds around the device.Keep track of everything on the road. With its many features, drivers can always see what’s ahead, our Mini 4G OBD Multi Alert Tracker is plug and play so it is easily installed. Know who’s driving – With our advanced accelerometer gyroscope algorithm and unique algorithm, They can prevent dark spots in areas with poor GNSS signals. Plug and Play – Easy Installation The tracker connects directly to your vehicle’s ODB port in just seconds. Free Lifetime Subscription It comes with a free lifetime subscription (with no contracts) for web platform and app tracking, compatible with PC, Apple, and Android devices. The device also has been pre-configured for free.