Utilizing 21st century fingerprint technology, polymath fingerprint door lock combines security and convenience together. There is no longer a need fear losing the keys or forgetting password. The advanced design of our fingerprint door lock series is suitable for homes or offices. Features: 1) Convenient one-touch system 2) Security first design 3) Safety first design 4) Multi-mortise,deadbolt optional 5) Remarkable durability 6) Memory capacity (30 to 99 fingerprints) 7) Safety dead bolt 8) Modern appearance and advanced bio-mechanical design