A smart lock enhances home security by allowing users to manage access remotely through smartphones or keyless entry systems. These locks can utilize Bluetooth, Wi-Fi, or biometric systems for unlocking, eliminating the need for traditional keys. Users can set temporary access codes for guests or monitor entry and exit times through connected apps. Additionally, smart locks often have features that notify homeowners of potential intrusions or provide activity logs, offering a more convenient and secure alternative to conventional locking mechanisms.