"The ST500 model is the low-cost solution for reading computer information and tracking vehicles. Once the device is connected to the OBD II port, it will start tracking the vehicle. The ST500 is an affordable device with unmatched capabilities and fast data processing. Some of the values available through OBD II include RPM, coolant temperature, distance traveled with the Check Engine indicator on, engine running time, throttle position, vehicle speed, fuel level, among others. It also has functions such as driving pattern analysis, histogram, ideal for UBI-based insurance, "Pay as you drive" (PAYD), or "pay how you drive" (PHYD)."