Kwikset 912 Z-Wave SmartCode Electronic Touchpad w/Lido Lever, featuring SmartKey in Polished Brass, Works with Alexa via Wink Works with Alexa for voice control (hub required, Alexa device and hub sold separately). Designer style and superior security with this Kwikset Signature Series product For use on exterior doors where keyed entry and security is needed Featuring SmartKey re-key technology; re-key the lock yourself in seconds in 3 easy steps Keyed lever operated by key outside or electronic keypad and thumb turn inside Features an adjustable latch to fit all standard door preparations Z Wave certification number:ZC08-15060008