Every time we pay for clothes, we often see cashiers unlocking the anti-theft buttons on the clothes. Just gently place the anti-theft buckle on the release and it will open. At this time, many people will be curious, which principle is used to unlock the anti-theft deduction? Let me tell you the an......

Acousto-magnetic soft tags are composed of two or three chips inside the structure. The bending, contact, and demagnetization of the metal sheet will all make the soft label inactive, resulting in undetectable.