Bluetooth lock uses APP on mobile to open the door. You can ceate five types of user code through APP: forever code, limit-time code, circulating limit-time code, one-time code and user-defined code and can delete the user code remotely through APP. It is suitable for homes, office, rent houses and small hotels. For more product info, please visit the producct pages.
HST-K2201BL
HST-K2202TBL