The Skywatch Geos No.11 is a high performance professional instrument benefiting from 25 years of experience developing measuring devices. It uses only industrial quality components and pressure, wind speed, temperature and humidity sensors that are made in Switzerland. The Skywatch Geos No.11 is specially designed for intensive use in harsh environments. Multi-purpose, accurate and equipped with a large memory capacities with the ability of real time data transfer, the Geos No.11 and its accessories are particularly well adapted for numerous activities. For example, aviation; reading of the flight level, height, finesse, pressure, altitude, altitude variation, etc. The Skywatch Log software comes complete with a USB cable to connect to your PC. Download information directly from the Geos and view the data using Skywatch Log software. A multi-functional support bracket for easy positioning of the Geos, and stylish carry pouch, which ensures the protection of the Geos, are also both included.