4. Read distance: 3~ 10 cm 5. Meas.: 43 mm x 30 mm x 5mm , 36 mm x 29mm x 6.6mm 41mm x 33mm x 4.3mm. 37mm x 30mm x8.16mm 6. Waterproof (IP4) 7. Free key ring and logo 8. Silkscreen logo, number, laser grave number, inkjet number 9. Operating temperature: -30°C to +80°C 10. Certification: IEC 14443 TypeA, ISO 18000-2, ISO 9001:2008