Product description: The i Series Display Model welcomes the users on the TFT screen with their name and surname, the business logo and the "Welcome" message. At the same time, it informs the users about what to do and directs them to the relevant units in cases such as invalid card reading. innovative Welcome with business logo and guest name on 1.77 inch TFT display Interactive Wıth One-click 'Do Not Disturb' and 'Clean the Room' warnings Thin 13 mm ultra-thin outer part, 22 mm thick inner lock Functional Control of battery level, date and current lock time on the screen