Specification : 1,Dimensions: 25mm?8.5mm The size of steel wires are available upon request. 2,Operating Temperature: -40~85 3,Storage Temperature: -55~100 4,Resonant Frequency: 125khz?khz 5,frequency:125Khz,134.2Khz,13.56Mhz,433Mhz,915Mhz 6,ISO: EPC, 14443A,14443B,15693,11784,11785,18000-3,18000-6B,18000-6C,10374 Application and installation: Container Seal, City Water Supply Management.