With the “Häfele Access Hotel" app, you open your hotel doors via smartphone. The digital key Smartphone-Key allows you as a guest access to the hotel room and all authorized areas in your booked hotel easily via smartphone. It supplements or replaces the mechanical key or the key card. Your Smartphone-Key will be sent to your smartphone before arrival at your hotel. A push message informs you about the receipt of a digital key in the Häfele Access Hotel app. When Bluetooth is activated, the do