Display: LCD 7 inch TFT 480х234 pixels
STW Speed: Arrow+Digital Speed Display
Data Output: IEC 61162 – 1 VBW, VLW
Trip Counter Measurement: from 0 to 9999.99 NM
Total Counter Measurement: from 0 to 999999.99NM
Distance Accuracy: 0.2NM or 2%, whichever is greater
Speed Accuracy: 0.2knt or 2%, whichever is greater
Speed Range: -10-+40knt
Power Supply: АС110/220V 50/60Hz
Operating Temp.: -15 to +55″С, 0 to +40’С recommended
Humidity: When 40±3″С, 93%±2°/о relative
Compass Safe Distance Display: STD 1.08m STEER 0.45m
Controller STD 1.32m STEER 0.84m
Protection: Display IP23 Controller IP23
https://marcomsrl.es/services/civil-solution/civil-shipborne-equipment/doppler-speed-log/