Arlo Video Doorbell 2K (2nd Gen) — Wireless or Wired

Specifications

Interface

Wi-Fi / Alexa / Google

Form Factor

Battery or Wired

Endurance

—

Warranty

1 year

Brand

Arlo

Our Verdict

The Arlo Video Doorbell 2K stands out in a crowded market by delivering genuine 2K resolution — an upgrade from the 1080p standard that makes a visible difference when reading package labels or identifying faces. The second-generation model added a square video format that shows more of the door area than widescreen competitors, and it works both wired and battery-powered, giving installation flexibility. Arlo's free tier includes 24-hour cloud clips without a subscription, which is increasingly rare among smart doorbell brands. For homes already in the Arlo ecosystem or those who want higher resolution without an ongoing fee, this is the strongest all-round doorbell in the category.