Locks, electric; Electronic locks; Padlocks, electronic; Biometric locks; Electronic lock assemblies; Electric door bells; Smart rings; Battery chargers for use with smart rings; Downloadable computer software for accessing, controlling, and managing smart door locks and smart rings; Downloadable computer software for enabling audio and video communication; Downloadable computer software for programming, sharing, and revoking virtual keys for electronic locks; Downloadable computer software f...