Multi-function with map and measure scale and thermometer compass keychain
Description
1. Extremely sensitive with precision dial
2. A new set of classic pocket watch style compass
3. Old fashion and harmonious
4. Excellent for hiking, camping and outdoor activities
5. Can also be used for detecting the presence of a magnetic field in watches, instruments and other components.
6. compass style:compass keychain, digital compass, carabiner compass, compass thermometer
