Spy Spot OBD II 3G GPS Tracker, Real Time View, Teen Driver Coach, Mileage Recorder No installation required plug in the OBD GPS and you're done! (same port your service garage uses to check your cars onboard diagnostics) There are no contracts to sign or any requirement to prepay multiple months of monitoring. You can cancel your subscription at anytime. Receive a breadcrumb trail, which will provide the start and finish point for the specified time of the GPS tracker. Our monthly monitoring tracking system provides 1-MINUTE location updates. Many companies provide less frequent updates from every 5-10 Minutes to as long as 1 Hour Just log into the website from any PC, Mac, Tablet, or phone.