U21 HD Smart Mini Wifi Camera AI Human Detection Real-time Surveillance IP Camera. Features: 1. Real-time surveillance: When you are away from the camera, you can watch real-time video recordings online. 2. Alarm: When an moving object is detected within the camera’s recording range, the camera will start recording and send an alert to APP on mobile. 3. micro SD card storage: When microSD card is inserted, the camera will automatically store surveillance video. An 8G microSD card can store up to 2 days recording, an 128G microSD card can store up to one month of recording. 4. Loop recording: When the memory is full, the latest video recording will overwrite the earliest video recordings. 5. Cloud storage: If you worry in the event that your camera is stolen or files corrupted in microSD additional paid cloud storage is available (Cloud storage service are provided and charged by third party). 6. AI Human Detection: Only alarm when there is human activity, making it more precise (Reduce the nuisance alarms caused by the wind, glass or animal, AI Human Detection service are provided and charged by third party ). 7. How to play the video:The recordings saved on microSD card can be watched on computer with a card reader or directly watch on mobile phone. The recordings saved on Cloud storage can be downloaded and watch directly on mobile phone. Package includeds: 1 x Camera. 1 x User Manual