[Rental Hosts & Homeowners] Sifely smart door lock is a great solution for Airbnb short-term rental hosts, rental property management, and self-housing resident. Generate passcode remotely and share it to your visitors. [All-Weather Protection] ANSI/BHMA certified weatherproof rating smart lock to withstand most weather conditions against splashing water, direct sunlight and freezing cold environment. Fully operational temperature between 14° F and 158° F. Suitable for both outdoor and indoor use.