58 KHz sound magnetism system made from ABS material or acrylic material

1. To the metal package goods, put the label on the goods. If the label is not taken away, there will warning, such as chocolate, milk, toothpaste, sugar, wine and cigarette with boxes.

2. It's very sensitive. The protect distance is 1.6m-2.4m for the single door.

3. The equipment is steady and has low rate of false alarm.

4. The measure of the tag is small, which is 4 cm in length and is difficult to be found.

5. These goods are fit for retailers, such as supermarket, clothing, medicine, makeup, bookstore, and tape.