... attendance5. External speaker plug port for scheduled bell ring6. Optional ID/Mifare/HID card reader7. Support WIFI/GPRS ,Wiegand in/ ... security with multi-identification and anti-passback function Specifications:LCD display:3.5’’TFT color screenSpeaker: voice prompt(language can ... , alarm output, wired bell, door lock control,Optional functions: ID/Mifare/HID card reader, USB reader, RIS, built-in Li ...