Features:Used in livestock tracking and management, such as cows, dogs and pigsNormally it was installed onto animal ear by tag pliersUses non-toxic, no smell, stimulation and non-polluting plastic material as covering material effectively prevents against organic acid, water and salt solution, mineral acidPromotes livestock information management, including tracking and tracing of breeding, disease control and quarantineSpecification:Supports chips: EM4305 (HiTag-S256, T5577, I-code SLI, Mifare S50 on request)Memory capacity: 256, 512 bits RW and 1KB RWMS button: 30 ±0.1 x 15.3 ±0.1mmStandard studs: 30 ±0.1 x 23.3 ±0.1mmMaterials: ABS and PETColors: white or yellow (customized)Operating frequency: 134.2kHz or 13.56MHzChemical-resistant: with IP67, water-resistant, sunscreen and anti-soakedMechanical-resistant: anti-hit (in-line with IEC 68-2-27) and -shock (in-line with IEC 68-2-6)Storage temperatures: -40 to 90°COperating temperature: -20 to 50°CCustomized sizes are acceptedWeight: 7.5 ±0.1g