It is powered by a solar panel that is attached to the backpack. Thanks to the GPS map application APE@MAP by Onyx Technologie OG, one can upload hiking maps with more than 30,000 suggestions of routes to one’s cell phone. In addition to measuring time, speed and altitude, the application offers the possibility to record and modify routes using the cell phone. Additionally, outdoor sports enthusiasts can mark where they found something particularly interesting on the route. The system is available for cell phones with the Android operating system.