Demagnetizer Timegrapher Adjustable Convenient Multifunction Battery Measure Pulse Quartz Tester black

Demagnetizer Timegrapher Adjustable Convenient Multifunction Battery Measure Pulse Quartz Tester black.Feature: 1. Demagnetiser: The watch demagnetiser uses AC power to generate alternating magnetic fields to eliminate the effects of magnetic fields on the watch, thus reducing time errors and extending the service life of the watch, and enhancing the user experience. 2. Detecting the Movement: With the built in quartz tester function, users can check the working status and accuracy of the quartz