Model: E8220311; Eufy Battery-operated Video Doorbell Slim 1080p Black Wireless Doorbell with 2K Video 2K Resolution, Instantaneous Reaction, No Monthly Charges, Safe Local Storage, Weather-Ready Free Internet Digital Chime (Demands Pre-existing Doorbell Wires) A pristine 2K picture: With our cutting-edge HDR and Distortion Correction, along with High Definition 2560 x 1920 resolution, you can be sure that your video is recorded in twice the quality. No Unexpected Fees: Eufy Security products are one-time purchases that combine convenience and security, and they're made to protect both your home and your pocketbook. React Instantaneously: Use two-way audio to converse with anyone who comes to your front door. Inform your pals that you've just rushed out to get some milk or to come around the back. The Important Alerts: With AI