Technical Parameters Communication protocol: ISO14443 typeA/B Working frequency: High frequency 13.56MHz Support Card: Mifare standard,S50,S70 and compatible card Interface: USB, Serial Interface (optional) Reading distance: > 60mm Read Time: <100ms Power supply: USB Product Dimensions: 104mm×68mm×10mm Working temperature: -20℃~+85℃ Indicating light: double color Weight: 50g Color: black Shell material: ABS