The Stainless Steel Bio-Matic Fingerprint Deadbolt Door Lock is a great home security accessory. Keep the crooks out with this powerful deadbolt lock!If security is important to you, then keep the things you cherish in life the most safe with our Stainless Steel Bio-Matic Fingerprint Deadbolt Door Lock. This one of a kind lock uses the latest biometric entrance technology with 150 fingerprints storage capacity for each single latch tubular model. Each lock can be configured for both right swing or Left swing doors and can replace any standard door locks already in place. A sliding front cover not only allows protection for the optical sensor but also activates the fingerprint scanner when lifted and it can be accessed by fingerprint, pass code, or backup key. Powered by 4 AA batteries, which will handle 15,000 usages, the fingerprint recognition technology can easily give your children or other family members access to your home without needing to worry about keys that can easily be lost or stolen.