No, this camera does not support wifi connection. 

Yes, you can switch through the "MENU" in the lower right corner of the camera. Please refer to the video. This photography camera is designed for beginners. If you are a professional photographer, it is recommended that you choose professional cameras such as canon, sony, nikon, fujifilm, panasonic, etc. 

Microscope screen 1080P, computer 720P. 

You can view photos and videos from this WiFi trail camera without removing it from the mount. And you can set the camera in the APP. This is very useful for cameras mounted in high places or hard-to-reach places. 

1.If the camera's current Wi-Fi and the Wi-Fi you want to switch can be connected at the same time, you can switch Wi-Fi directly by selecting Wi-Fi network in the settings interface. 2.When the camera is disconnected from the current WiFi, the app will show "Device disconnected". Click Troubleshoot to connect directly to a different wireless network. Or remove the camera from Tuya Smart and then connect the camera to the Wi-Fi you want to switch to.