Can I still use a physical key to unlock the door? Yes, emergency override keys included. Related articles Why does my override key fail to lock my Gainsborough Freestyle Smart Wi-Fi Trilock? Can I order more keys for my Gainsborough Freestyle Smart Wi-Fi Trilock? Lever/Key feels stiff while trying to retract the latch Do I need to install the door sensor? What does it do? Are there any specific installation requirements or considerations?