Have you ever got lost and asked for travelling directions? Now these days are long gone. Now you would no longer have to ask for directions with the invention of GPS tracking systems. This device can track your position and let you know exactly where you are. Knowing which of the many gps models or styles is ideal for you could be a difficult decision. GPS units are usually separated by use so the first thing to consider when looking at which GPS system to purchase is to determine exactly what uses it is going to have. If you are looking for a GPS for your car, receivers are made just for use in cars and other motor vehicles and can be part of a navigation system or not. Handheld GPS receivers come in two type’s non-mapping and mapping. However, with this situation you should also carry a more formal and traditional paper map. GPS units are excellent tools but run on batteries can become defective if dropped and depending on the model may or may not be water proof. Below are some features you should receive with a non mapping receiver. Displays your exact location, the direction you are heading, what time it is, miles you have travelled, route back to where you started journey, and the route to your destination. It will also record the route you have taken to arrive at your destination. Mapped gps devices are the same as non mapped devices. But with the extra feature of displaying computer maps. Which can be downloaded or pre-loaded by the manufacture. Another option is to look at a versatile handheld machine called a PDA. These personal data assistants come with gps features or at the very least an adapter for you to plug into to get gps features. There is also a GPS system specially made for the sailors or boaters. The gps systems sailors have different features than the more conventional gps system. Boats do not use maps unless in a designated water way. GPS tracking systems are great devices for tracking your position if you are lost. They are a great alternative for those large papers maps and are a great time saver. If you do a lot of travelling by foot, car or even sea, then a gps system is a great high-tech gadget to have. No more worries when you've lost your new gps tracking system will guide you to your destination.