Douglas Navigational Protractor 5" - D565 tiki solar torch which offers our best-in-class sonar

which offers our best-in-class sonar and mapping and premium touchscreen display with keyed-assist

Completely rechargeable

rated to -50 celsius

RED LIGHT AND SPEED CAMERAS

Two USB-A ports also offer Quick Charge 3

Douglas Navigational Protractor 5" - D565 tiki solar torch which offers our best-in-class sonarCalled "navigational" primarily because it goes continuously from 0 to 360 as a compass rose does. Use for plotting lines of position in celestial navigation or for general plotting and vector problems on plain paper that does not have a compass rose. In England and Australia it is more commonly called a Douglas Protractor, where they are popular for general plotting.