?Our Danmini A9-TB 2.8" TFT Backup Battery Fingerprint &amp; RFID Time Attendance Machine with TCP/IP Black US Power adopts the most advanced international fingerprint algorithm to ensure its stable and excellent performance. With latest technology， the identification ability of injury finger， hulled fingerprint is enhanced observably. Also， it can identify easily with the change of weather and environment less than 1 second under full fingerprint. It features high-grade power management function to achieve low power consumption. In addition， once your fingerprint is registered in a machine， you can share it through USB flash disk without connecting computer. Adopting RIMS management system， it is easy and direct to operate. Believe in its value!                                    Features             Adopt most advanced international fingerprint algorithm<br> Adopt smart sensors energy-saving fingerprint reader <br> Smart learning and updating functions of fingerprint<br> Once registered， the fingerprint is available in lifetime <br> 2.8" TFT colorful screen for directly and apparently operation<br> Built-in backup battery <br> Support USB flash disk download<br> Adopt USB and TCP/IP communication<br> Support fingerprint， password and ID card attendance <br>                                                            Specifications             Material     PC    <br> Weight     12.54oz / 355.4g    <br> Color     Black    <br> Dimensions     (7.09 x 5.32 x 1.42)" / (18 x 13.5 x 3.6)cm (L x W x H)    <br> Screen Display     2.8 Inch Tft High-Definition Color Screen Display     <br>                                                             Package Includes            1 x Attendance Machine<br>1 x CD User Manual<br>1 x Power Supply<br>1 x USB Power Line One<br>