Chip: EM4102, EM4200, TK4100, EM4305, EM4450, T5577, Mifare 1k S50 or Compatible with FM11RF08 Working frequency: 125KHz/13.56MHz Work mode: LF: Skrivskyddad; HF: R/W Induction distance: 2~10cm Inside serial number: 5 bytes Endurance: > 100,000 gånger Datalagring: >10 år Storlek：43× 30 x 5 mm eller 50 x 30 x 5 mm, or customized Working temperature: -10℃~+70℃ Color options: gul, blå, grön, röd, svart, etc. Material: ABS skal, Ultrasonic Plastic …