Frequency: 58khz Dimension: 55mm*13mm*18.8mm (2.16"*0.51"*0.75") with 100mm lanyard Color: black/white/gray or customize Lock: three balls clutch, standard/super Packing detail: 1, 000pcs/ctn, 380*330*200mm, 11.20kgs/ctn. This eas hard tag is compatible with sensormatic or wg acousto-magnetic(am) eas system.