MasTrack OBD tracker is a small GPS tracking device that plugs directly into the OBD port of any vehicle. No tools or wiring required. Simply plug the tracker in and your set to go. All passenger vehicles and lightweight trucks manufactured after 1995 are equipped with an OBD port that can be easily found within 3 feet of the steering wheel. The MasTrack system is used by businesses tracking their vehicles and personnel for verification of employee time sheets and customer billing. This system gives peace of mind to parents keeping an eye on their teen drivers or monitoring the location of an aging loved one. You receive unlimited email and text message notifications of speeding, excessive idling, zone alerts (when the vehicle enters or leaves specific locations), ignition status, voltage etc. as well as detailed reports of daily stops or of all activity. Select the Plan that fits your needs: 15 Min $14.99 5 Min $19.99 2 Min $24.99 1 Min $34.99 MasTrack GPS tracking requires a monthly subscription with no long term contracts so you can cancel at any time. There are no hidden fees or additional charges.