With the development of society, touch displays have been widely used in our lives. The touch display is composed of advanced electronic components such as touch screen, motherboard, memory, hard disk and video card. This is no different from the working principle of traditional PC. According to the size of the touch screen, with the help of software, such as public information query, advertising display, media interaction, conference content display, offline experience store product display, etc. Peripherals such as fingerprint identifier, scanner, card reader, micro printer, etc. can meet the specific needs of fingerprint attendance, card swiping, printing, etc. Generally different from the electronic whiteboard, it can achieve more functions. HF-FP07 is an Android 11 OS 7 inch touch screen fingerprint scanner tablet, which integrates fingerprint, card reader, face and Android phone, and is easy to operate. The 7 inch biometric tablet supports dual SIM, 4G, WIFI, and Bluet…