How to use Xiaomi smart camera? Is it a memory card? How long is the power cord? Can I use it outside? Is it sunny at night?

You should be talking about smart cameras, ants. First, download smart cameras APP on your mobile phone, and then make sure that your mobile phone and smart cameras are in the same wifi network. Open the APP registration number account and choose your model according to the prompts. At the same time, connect the smart camera to the power supply, follow the steps on the APP, and fill in the wifi password. A QR code will appear on your mobile phone. When the smart camera gives a voice prompt to scan the QR code, put the two digits of the mobile phone in front of the camera for scanning. If the scan is successful, the connection is successful, and then you can open the APP to watch the monitoring screen.