Flexible monitoring with 360° tracking: On top of the excellent optic and 1080p image quality, the YI Dome Guard featuring direction control, motion tracking (10 sec). The camera can track up to 355° Horizontal & 84° Vertical rotation range to create a complete 360°coverage. Flexible storage option and support Ethernet. Excellent Night Guard: Enhanced night vision with IR lights featuring 140° wide-angle lens, high resolution 1080p HD, and enhanced night vision capabilities. 2-WAY AUDIO: Equipped with a built-in microphone & speaker that allows you to speak to your family members or pets anytime while you are away. It works with Google Assistant and Amazon Alexa. Intelligent Human, Motion, & Sound Detection: With the power of edge computing, receive smarter and faster human, motion, or sound detection notifications. View up to 9 cameras live-feeds using the easy to use and intuitive YI Home App. (Subscription Only) Time Lapse Feature: Compress up to 6 hours into a fun clip between 5-30 seconds. Now you can have fun with your video recording to capture fun and precious moments of your family.