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：43×30×5mm or 50×30×5mm, or customizedWorking temperature: -10℃~+70℃Color options: yellow, blue, red,etc.Material: ABS shell, Ultrasonic Plastic Welding