Magellan Explorist 300GPS O2 This pen-sized sample collection device

This pen-sized sample collection device is easy to use

Super strong - Lightweight Pelican™ 1430 case

ozone is often the most harmful during summer

low-cost bump and calibration station enables the ability to put the bump capability where it is needed

Magellan Explorist 300GPS O2 This pen-sized sample collection deviceThe Exporist 300 features Magellan TrueFix technology for superior accuracy and reliability with advanced tools for even easier navigation. The barometer and thermometer provide information on changing weather. The 2 axis barometer pressure altimeter easily determines your present elevation. And the electronic compass shows your direction, even while standing still. Explorist 300 includes 8 MB of built in maps, 3 navigational screens and 8 MB of