Main functions:A vacuum oilcompass (red arrow pointing north).Magnifier1:25000 proportion of the ruler measure.1:50000 proportion of ruler measure.Precision metric up to 1mm.Frequently Asked tag template .Can be used as graduated scale, so that children learn to use a compass to identify the direction.Can be used to confirm the orientation of the construction of housing sites.Feature： Fits for most indoor like home maintenance and outdoor activities like camping, map reading,fishing, hiking, night, fishing, night flying, hiking backpacking etcInch and millimeter scales for mapping or plotting.Map measuring scales mm 1:25,000 & 1:50,000.Protractor compass for measuring direction.Lanyard hole on the base plate for easy carrying (lanyard included).Luminous needles and points for navigation in the dark.Rotating dial and large magnifying glass.Rotating adjustable navigation ring for map reading.Baseplate Ruler Map Scale Compass Scouts Camping Hiking New.Specification:Made of plastic, Light weight and portable.Color: TransparentRandom style (as picture shows)Overall Size: 127*60*17mm（Length* Width *Thickness）Compass Face Size: Approx. 4.3cm (Diameter)Package:1xOrienteering compass