chip: EM4102, EM4200, TK4100, EM4305, EM4450, T5577, Mifare 1k S50 or Compatible with FM11RF08 Working frequency: 125KHz/13.56MHz Work mode: DPS: Tantum legere; HF: R/W Induction distance: 2~10cm Inside serial number: 5 bytes Endurance: > 100,000 Data retentione tempore: >10 years Size：4330×5mm vel 50×30×5mm, or customized Working temperature: -10℃~+70℃ Color options: flavo, caeruleum, viridi,, rubrum, nigreos, etc.. material: ABS testae, Ultrasonic Plastic …