विवरण

• Multifunctional scale compass map compass Function is announced Compass: Compass, smooth rotation Dual scale map ruler: metric cm and inch Lanyard: about 45cm in size Easy to hold Notes for compass use: 1 Do no longer be near to high-voltage wires, electromagnetic devices, iron, cobalt, nickel and different magnetic touchy substances, so as not to affect the accuracy of pointing and magnetic loss 2 Do no longer beat the product with surveying ruler, so as not to crack the oiled compass core and impression the measuring accuracy three Avoid scratches at the product floor Products as a long way as possible to keep clean, do not use dirty cloth, arms to wipe

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