"Smart BLE Digital Fingerprint Lock, IP64 Work with proximity card 304# stainless steel panel/handle Satin stainless steel treatment American standard 5 latches mortise Available for 60/85,35/85,45/85 mortise Work with alkaline battery Emergency key for backup use 200,000 times life test Work with bluetooth technology Support remote passcode change Available for WIFI hub for remote management(optional)