The Yale Doorman L3S Flex is a smart door lock system designed for residential homes, optimized for detached houses and townhouses. This Scandinavian version in black finish provides keyless entry through multiple access methods including numeric code, key fob, or smartphone application. The lock features automatic locking functionality for enhanced security. For full remote control capabilities and optimal performance, the Yale Doorman L3S requires connection to a Yale ConnectX Wi-Fi Bridge, which enables centralized control of up to four Yale smart devices. Without the Wi-Fi bridge, the lock can be operated via Bluetooth connection to your smartphone, though with limited range. This model does not include the Wi-Fi bridge in the package. The smart lock system eliminates the need for traditional keys while maintaining reliable access control for residential properties. Constructed with durable materials, the Yale Doorman L3S offers robust security features suitable for modern smart home integration. The black finish provides a discreet appearance that complements various door styles and home exteriors. Installation requires standard door preparation and compatibility with existing door hardware. The system is designed for straightforward integration into residential security setups, providing convenient access management for homeowners. Multiple user codes can be programmed for family members or occasional visitors, allowing customized access permissions. The automatic locking feature ensures doors are secured after closing, reducing the risk of unlocked entry points. Battery-powered operation maintains functionality during power outages, with low battery indicators for timely replacement. The Yale Doorman L3S represents the successor model in Yale's smart lock lineup, incorporating refined technology for residential security applications.