In most cases, the Wi-Fi camera can be placed from the router within 30ft (for a stronger signal). The actual range will vary depending on a number of factors such as the thickness of walls, obstacles inside the house, and the location of the router.

Yes, WiFi cameras rely on the internet to transmit video footage and receive commands or alerts through a mobile app or web interface. This connection allows you to access live streams, recordings, and remote control features from anywhere with internet access.
Without the internet, you can only look at video footage locally and sacrifice above advanced features.

Reolink Plug-in Wi-Fi cameras are typically powered by power adapters，it can be powered by a 12V DC adapter，for most E1 series WI-Fi Camera，it can be powered by a 5V DC adapter.

The process for connecting a security camera to Wi-Fi may vary by manufacturer. Here we take Reolink as the example:
1. Download the Reolink app from the Play Store or App Store. Open the app and tap the "+" button at the top right corner.
2. Scan the QR code on the camera using your smartphone.
3. Select "Choose Wi-Fi Connection" from the options. Follow the prompts, and once you hear the voice prompt from the camera, tap Next.
4. Select your Wi-Fi network and enter the credentials. A QR code will appear on the app; scan it with the camera lens. When you hear a beep, tap Next.
5. Once you hear "Connection to the router succeeded," tap Next. Create a login password and name your camera to complete the setup.