Professional Watch Demagnetizer/magnetizer Demagnetization Machine Watchmaker Repair Tool How to use: A.Put the parts (which will be demagnetised) in a small card-board box which is fastened to a movement holder. If the part is large enough,they may de held in the hand. B.Hold the parts in the item opening, then switch on the current by pressing the switch button and slowly withdraw the parts to a distance of about 1 yard. Finally switch off by relaxing the switch button. C.Check the result by a senstivie compass. Repeat above operation if necessary. Package Included: 1 * Demagnetizer Tool Warm Notice: dear customers, your satisfaction is our top concern, if you receive any defective products, please feel free to contact us, Amazon has 30 days return policy. Thank you. 1: First use the compass to check whether the watch is magnetized. When the watch is close to the compass and the compass rotates, it indicates that the watch is magnetized and can be demagnetized. 2: The demagnetizer cannot be used continuously for a long time. The time for each demagnetization is about 5-10 seconds. After demagnetization, use the compass to test 3: If there is residual magnetism after the first demagnetization, the second demagnetization shall be conducted after more than one hour or the next day. 4: Do not use the watch without magnetism to avoid magnetism, 5: Be sure to unplug the power plug after use. Please read the instructions carefully to avoid misoperation 6: When degaussing, press and hold the switch for 3 seconds before degaussing