kadi Aina: MF Kadi au Sambamba Kadi / 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% uwezo user: 31000 kadi, 25000 card records Dimensions: 88× 56 × 15mm