Key Features and SpecificationsVideo Quality: The Pro 2 offers a higher 1536x1536 HD resolution for a "head-to-toe" view, while the original Pro features 1080p HD video.Audio & Motion: Both models include two-way audio with noise cancellation and customizable motion detection zones.Night Vision: Includes infrared sensors for clear visibility in low-light conditions.Smart Integration: Fully compatible with Amazon Alexa for voice control and alerts through Echo devices.