The Eufy Video Doorbell C31 with SoloCam L40 Security Camera Set offers comprehensive home monitoring with dual power supply options and advanced features. This security system includes a 2K FHD video doorbell that can be powered by a rechargeable battery or a wired connection, providing clear 2K high-definition video with a 16:9 aspect ratio for wide coverage of your entryway. The doorbell features person and motion detection, real-time video calls with live preview, and 24/7 recording capability when connected to a power source, including a 5-second pre-roll recording for motion-triggered events. The included SoloCam L40 outdoor camera captures sharp 2K high-definition videos with enhanced color night vision and a 600-lumen spotlight that activates upon motion detection. Both devices offer local storage with an included 32 GB SD card for the doorbell and 8 GB of encrypted local storage for the camera, protected by 256-bit military encryption to store up to 30 days of recordings. The system operates without a monthly subscription and is compatible with Eufy HomeBase S380, Alexa, and Google Assistant for smart home integration. The doorbell measures approximately 12.7 cm in height and 4.5 cm in width, while the SoloCam L40 features IP67 water protection for reliable outdoor performance in various weather conditions. Installation is straightforward with a quick-release battery design for flexible placement options, and the system provides essential notifications through on-device AI that filters out false alarms from pets or environmental movements. This security set offers reliable monitoring with dual power flexibility and local storage options for comprehensive home protection.