No. 44 is an altimeter with integrated marine compass and with a full weatherstation, air pressure reading, barchart for pressure changes and weather forecast with symbols. In addition the instruments shows an altitude profile and allows to store the maximum/minimum heights as well as total ascendings. The device incorporates a sailboat clock with stop watch for boat function. Case for boats plastic, 60x75 mm, Display 35 mm, weight 45 gr.