The Digifly Leonardo Plus has an integrated high sensitivity 20 channel SIRF III GPS receiver. With a high power, fully independent, double battery make the Leonardo Plus the right choice from Digifly for non-competition hang glider and paraglider pilots. It has all the safety and flight evaluation benefits of a combined GPS-vario, but the Leonardo Plus software is supplied with out the competition waypoint-task management option required for competition use. If you need this functionallity in the future, the Leonardo Plus can be upgraded to have the full functionality of the Leonardo Pro model, simply from your PC, just buying from Digifly over the internet the upgrade software package.