Security is a number one priority for a lot of car/vehicle owners. Diagnostic World are pleased to offer car trackers which require no subscription, therefor are very cost effective and cheap. All you need is a pay as you go sim card, and you pay the price of a text message everytime you track the location of your vehicle. The tracker simply plugs into the vehicle diagnostic port and draws its power direct from the battery, so there is no need to pay for expensive installations. Take a look below and start tracking your vehicle wherabouts today.