Frequency:8.2MHz Unit Dimension:50 Dia’*19mmPlastic Color:Black,White or CustomizedLock:Magnetic LockingPacking Details:1000pcs/ctn,10.5kgs/ctn, 50*33*23cmFrequency:58KHz Unit Dimension:10.2 Dia’*42.67mmPlastic Color:Grey,Black or CustomizedPacking Details: 3000pcs/ctn,11.0kgs/ctn,43*29*20cm5000pcs/ctn,17.0kgs/ctn,46*34*29cm