All of our labels are complied with the standard of sensitivity of alarm, Q factor, stickiness, etc. EAS RF Tag(mini hat) Frequency: 8.2MHz Dimension: Ø42mm (Ø1.65") Detection: 1.50m-1.80m Color: Black/Gray/White / Customized Lock: Three balls clutch, Standard/Super Packing: 1,000pcs/ctn, 0.035CBM, 11kg Description: HAT looking for lingerie, scarves, accessories and similar goods.