The SilverCloud Sync utilizes the user-friendly SilverCloud online mapping application platform, but with the added benefits of On-Board Diagnostics: odometer readings, excessive speed, low battery, low fuel, harsh braking, idling and rapid acceleration warnings. The SilverCloud Sync is ready to go right out of the box. Simply plug the device into the vehicle's OBD-II Port located under the steering column for continuous and uninterrupted vehicle tracking.