During the night you need to turn off the night vision with the infrared lights, to learn more on how to control the night vision, click here.
To properly mount the Home Cam on the wall, follow these steps: To avoid interference, don't place the Home Cam close to your router or other electrical equipment.
Yes, it will use it as it's not excluded from any quota with your internet provider.
Yes, it will work in daylight, but it won’t be suitable at night.
The VR-340 has a metal body and is compatible with Eye-Fi memory cards.