which can improve reliability
1 x Seven Segment Display 4-Digit
Maximum output voltage: DC 2-28V
credit card machines
Style: Standing and Wall Hanging
RFID / NFC sticker tag, NTAG213 13.5MHz wireless server which can improve reliabilityCompatibility: 1) Support 13. 56mhz RFID and NFC IC reader writer, For example: Acr122u reader writer 2) Support Smart mobile phones with NFC function. Application: Check in, mobile payment, product information query, mobile identification, mobile marketing, social networking, business card sharing, access control, membership management, posters, healthcare, book borrowing, etc. Specification: Chip: Ntag213 Physical capacity: 180 bytes Usable