Main technical parametersIC chip: Atmel T5577Working frequency: 125KHzMemory capacity: 330 bitsCommunication rate: 9600 bondsRead/write time: 0.1msWork mode: read-onlyRead distance: 5~8cmErasable times: > 100000 timesData storage: 10 yearsSize：43× 30 × 5 mm atau 50 × 30 × 5mm, or customizedWorking temperature: -10℃~+70℃Color options: kuning, biru, merah,dll.Bahan: shell ABS, Welding Ultrasonic Plastic