There are a couple of types of water-proof handheld gps systems
Hand-held GPS units let you have a navigation system with you wherever you can go. They can be mounted to a auto, motorcycle, boat, or cycle or carried in your pocket as you head of on journeys. When you get a hand held GPS unit you can travel near and far and never again get lost irrespective of how far off the track you will wander. Since most hand held portable GPS units are used for a variety of purposes including outside journeys where they can be exposed to water it is suggested that you employ a water resistant model. This will permit you to do almost anything without being concerned about damaging the unit.
There are two makes of waterproof handheld gps systems with a strong reputation for quality and durability. It is best to stick with a name you can have trust in such as Garmin, Mio, or Magellan. Ensure the model you are looking at is indeed waterproof. Transportable units are almost always exposed to the elements at one time or another and you need to pick a device that square up to the moisture.
When looking for a hand-held GPS unit you wish to find one with the latest preloaded maps possible. You do not want a device that may require a lot of downloads. The best devices will have SD card expandability. This way you are able to upload all kinds of things to the device that include pictures and music. Each new model of these devices incorporates advanced technology and features. Make sure you shop around and compare the items on the market on the unit which have been released most recently.
In addition to comparing features it is also an excellent idea to compare prices. Waterproof handheld GPS units are quite an investment and you would like to ensure you get the best cost possible.