hot sale car compass ,magnetic compass

Product Overview

Description

 

  

 

  Function and characteristic:-adopt with high intensity aluminium close aurum, firmness and legerity, structure
is compact, can endure any scurviness environment.
-high vacuum oily waterproof damp dial, absolute waterproof design, at the scrvuness
environment the fingers are more tranquilization.
-equip with scalper apparel corium waist pack, and carry-home.-adopt with the best fluorescence material, the stability are stronger, have any
nocuousness radiate
-fit out all-purpose pothook, easy to work in picture- contrary word surface brand, and position measure much more rapid, nicety- magnetic needle adopt with mightiness alnico, and sensitivity- position measure precision can reach¡À10-distance estimation have fluorescence point, the precision can reach 5%-angle of depression and elevation, precision can reach¡À2.50-mileage measure of position precision is 1%-the precision of coordinatonaeter can reach 0.5mmMain Function:-position measure-work on the picture celerity-demarcate the map-march direction ensure to conceal goals-estimate goal distance-angle of depression and elevation-measure altitude -distance of fixer measure-assistant point measure-the seven seas angle of magnetism deflection-coodrinatonaeter-mileage measure-measure the mileage between two arbiary point in the map-add list of mil conversion, assistant point -add altitude list and angle of magnetism deflection big and middle city in china