The Eufy Video Doorbell C31 with Chime Bundle offers comprehensive home security with dual power options and advanced detection features. This video doorbell delivers 2K Full HD resolution (2560 x 1920 pixels) with a 16:9 aspect ratio, providing clear, detailed images of visitors at your door, even in low light conditions. The device measures approximately 128 mm in height, 48 mm in width, and 28 mm in depth, and is made from durable black plastic material. It operates either on battery power with a quickly replaceable 6500 mAh rechargeable battery or through hardwiring to existing doorbell wiring. When hardwired, the doorbell supports continuous 24/7 recording with a 5-second pre-roll capture for motion-triggered events, ensuring that no activity is missed. The system includes person and motion detection technology to filter relevant notifications and reduce false alerts. The included chime provides audible alerts throughout the house when visitors press the doorbell. Live video calls appear as pop-up notifications on your smartphone, allowing real-time communication with visitors through two-way audio. Quick response options and voice message recording features enable communication even when you are unavailable. The doorbell is compatible with the Eufy HomeBase S380 and Eufy Minibase Chime T8023 and works with Alexa and Google Assistant voice control systems. Installation is designed for easy setup without professional help, and the system operates without monthly subscription fees. The dual power flexibility allows users to choose between battery operation for easy installation or hardwiring for continuous recording capability, providing reliable home monitoring and visitor management.