ZF CARD

Late at night, when you check into a hotel, the front desk hands you a room card and says, “Please insert it to activate the power.” As you hold this thin piece of plastic, a quest...

Have you faced awkward hotel moments? Maybe your room card stops working near your phone (RFID interference), shows "invalid" late at night, or its surface scratches/fade...

Hotel room cards are the "first contact point" for guests to check in, but problems such as "induction failure", "discoloration on the card surface", ...