1) Frequency: 8.2MHZ 2) Package: 1000pcs/carton, 0.028CBM; G.W.:10.0KG 3)dia:42mm Features:Dimension: Ø42mmDetection range: 1.1m-1.3mFrequency: 8.2MHzColor: black/white/grey or customizeTight Lock: Three balls clutch,standard/superPacking Detail: 1000pcs/carton 0.029CBM GW: 11.0 kgssmall and strong sensortivitywork with all RF system EAS Tag, rf mini round hard tag , whole lock ,white