katin Type: MF Card ko Dace Card / EM4102 Card or Compatible Card Operating voltage: DC12V Static current: ≤100mA Communication method: RS485 Baud rate: 19200, 9600, 2400 optional Reading distance: 5cm Working temperature: -20℃~+80℃ Operating Humidity: 10%-90% User damar: 31000 cards, 25000 card records Dimensions: 88× 56 × 15mm