They're from August, Eufy, Kwikset ... lock to set up. Features include an access log, auto-locking, electronic keys, a tamper alarm, and compatibility with voice assistants and smart home ...

Smart locks like Kwikset's Kevo began to appear in 2013 ... A server can use an algorithm to give you a code a lock can recognise without being connected to the network, says Cherry Lim from ...