[Rental Hosts & Homeowners] Suitable for short-term rental properties and residential homes. Allows passcode creation and management through the app for controlled access. [All-Weather Protection] Designed for indoor and outdoor use. Built to operate in a wide temperature range from -4°F to 140°F and handle common environmental exposure such as sunlight and light water contact. [Easy Installation] Designed for standard door installation using a Phillips screwdriver. No additional drilling required. Powered by 4 AA batteries. Includes 3 physical keys for backup access. [Remote Control / Wi-Fi Access] Works with the Sifely Wi-Fi Gateway (optional, sold separately) to enable remote lock control, passcode management, and access log viewing through the app. [Secure & Practical Design] Designed for everyday residential use with secure access control and backup entry options. Suitable for homes, rental properties, and multi-user environments.