Watch Yale's TV advert first aired 10th October 2017 which features their award-winning key-free Conexis L1 Smart Door Lock. This innovative piece of kit has been designed to accommodate today's busy, connected lifestyle - improving security and giving homeowners full control over their front door no matter where they are. Why be tied to traditional clunky keys, when the Conexis L1 lets you unlock your door, send mobile keys to family and friends, and keep track or who comes and goes all via your smartphone.