Utilizing 21st Century Fingerprint Technology, Polymath fingerprint door lock combinessecurity and convenience together. There is no longer a need fear losing thekeys or forgetting password. The advanced design of our fingerprint door lockseries is suitable for homes or offices.1) Convenient One-Touch System2) Security First Design3) Safety First Design4) Multi-Mortise Optional5) Remarkable Durability6) Memory Capacity (30 to 99 fingerprints)7) Safety Dead Bolt8) Modern Appearance and Advanced Biomechanical DesignPls check our homepage http:/ for more detail. producing area:China