Tenon K9 waterproof aluminum slim smart handle door lock, with semiconductor fingerprint head, more effective recognition. It also has a highly sealed treatment, which not only isolates moisture but also high temperature resistance. This smart lock has a 36mm narrow panel which can be adapted to various door, such as framed door, aluminum alloy door, broken bridge door, sliding door, pull and push door ect. It has a variety of unlocking methods to meet different unlocking needs.