<b>| Sifely Smart Lock, Ahead Of The Future</b><br><br> Sifely developed world’s most advanced smart lock access technology and provide you a secure smart lock solution for your family. Replacing your traditional keys with keyless entry by code, fingerprint, fob or smart phone app. Best of all, all door locks come with 2 physical lock keys, just in case you aren't entirely ready to ditch your door keys. Start your smart home from sifely and welcome to sifely Family !<br><br><b>Passcode Access</b><br> Five types of passcode can be generated remotely without internet: Timed, Permanent, One-time, Cyclic and Custom. It is a great solution for rental property management, airbnb short-term rental hosts, and self-housing resident. No needed to exchange physical key present at the property. Save you tons of time!<br><br><b>3rd Gen Fingerprint Access Technology</b><br> Secure fingerprint ID with our 3rd Gen Fingerprint Access Tech. Everyone’s fingerprint is unique and no one can steal it from you. A scratch proof, dust proof and waterproof sensor is applied to make unlocking easy and secure. Unlimited fingerprints can be enrolled and identifying time less than 0.3 second.<br><br><b>FOB Integration</b><br> Don't want to use a code? No problem, with the Sifely app you can use fob to unlock your door. Easily integrate durable FOBs to let guests or homeowners into a property quickly and conveniently. Easily track and revoke FOB access through the Sifely app.<br><br><b>Specifications</b> <br> Door lock thickness: 1.37"-1.88" (35 mm - 48 mm) <br> Door Hole Backset: 2.375"-2.75" (60 mm-70 mm) <br> Bore Hole Diameter: 2.125" (54 mm) <br> Door lock Level: IP54 Level door lock. Protected against splashing water, suitable for both outdoor and indoor use <br> Battery life: Guaranteed up to 1 year over 10,000 lock/unlock times <br> Battery type: 4 AA alkaline batteries (NOT INCLUDED)