Ring Wired Doorbell Pro (Video Doorbell Pro 2) – Best-in-class with cutting-edge features (existing doorbell wiring required)

Ring Video Doorbell Wired | Use Two-Way Talk, advanced motion detection, HD camera and real-time alerts to monitor your front door (wiring required)

Ring Battery Doorbell Plus | Head-to-Toe HD+ Video, motion detection & alerts, and Two-Way Talk (2023 release)

All-new Ring Battery Doorbell Pro | Two-Way Talk with Audio+, 3D Motion Detection, and 1536p HD+ Head-to-Toe Video (2024 release)

Blink Video Doorbell + Sync Module 2 | Two-way audio, HD video, motion and chime app alerts and Alexa enabled — wired or wire-free (Black)

eufy Security Video Doorbell E340, Security Camera Doorbell, Dual Cameras, 2K HD, Color Night Vision, Wired/Battery, Compatible with HomeBase S380, No Monthly Fee, Home Security

Ring Video Doorbell – 1080p HD video, improved motion detection, easy installation – Satin Nickel (2020 release)

Ring Video Doorbell 4 – improved 4-second color video previews plus easy installation, and enhanced wifi

Wireless Doorbell Camera, aosu Battery-Powered Video Doorbell with Chime, 2K Resolution, No Monthly Fees, 2.4GHz WiFi, 180-Day Battery Life, AI Detection, Work with Alexa & Google Assistant