Product use
1、Avoid use in rain, moisture, too high or too low temperature, etc., (working temperature: 0℃-50℃; storage temperature -20℃-70℃).
2、Avoid contact with perfume, alcohol, cleaning agents and other corrosive substances.
3, avoid the following may affect the normal direction of the magnetic compass to use the area.
A, in close proximity to concrete / steel and other buildings
B. Very close to the power station
C. Close to household appliances (such as computers, TVs, VCDs, fax machines, speakers, etc.)
D, from a large number of steel or metal to build a bridge very close
E, in the moving vehicle (car, train, plane) is very close to
F, close to or placed on the surface of the metal plate.