Optional 24/7 Emergency Response Service - YI’s motion alerts and live video feeds are now equipped with the option to instantly involve Noon light's Certified Emergency Dispatchers, who coordinate with police, fire, and EMS agencies on customers’ behalf to ensure the situation is promptly handled. Upgraded Smart AI Detections- YI cloud storage comes with the latest in Smart AI capabilities which are able to distinguish Person, Vehicle, or Animal accurately and reduce false alarms significantly. (Subscription Needed) Works With Alexa - Officially Alexa compatible and works with any screen-based Alexa device. You can use the Alexa Skill to turn on your camera or view its live feed with a simple voice command. Reliable Wi-Fi Connectivity - Access your camera with our mobile / PC APP anytime and anywhere, more flexible with Home/Away mode. Allows sharing your camera with up to 5 family members or friends, and view multiple cameras on a single account. 9 live feeds on pc app is available now. Built-in support for 2.4Ghz (5Ghz currently not supported) Wi-Fi band. Cloud & Local Storage: Motion-triggered video clips will be safely stored on the Cloud for up to 30 days. For local storage, micro SD-cards up to 64GB are supported (micro SD-card not included).