Meet the SkyBell Slim Line: a WiFi doorbell camera with 180-degree video and night vision that lets you monitor who is at your door. It comes with two-way audio and motion sensor to detect activity up to 8 feet. The unit is 1.4 inches wide, so it fits the slimmest door frames.
This doorbell camera features cloud recording. You can monitor your front door from the app. Costs $220 at this time.