This smart door lock offers 5-in-1 keyless entry: fingerprint, passcode, APP control, key fob and physical key. With 0.3s instant fingerprint recognition, it stores up to 100 fingerprints and 100 passcodes. The auto-lock feature secures your home automatically, while the durable aluminum alloy body fits standard doors (35-55mm thick). Easy DIY installation, perfect for front doors, bedrooms, apartments and offices.