After you purchase the NELF V1X LED WiFi controller, the manual cannot solve your confusion about wiring or use. You can view this video, which is a detailed tutorial video of the NELF V1X LED WiFi controller.
V1X is a good choice for your life condiments, whether it is Christmas, New Year and other holidays; or important life occasions such as birthdays and marriages; or life scenes such as couples dating and family gatherings; or your DIY decoration hobby: decorate yours Gardens, rooms, etc. It can create different atmospheres for you, you only need to use it with RGB LED strips.
If you do not currently have V1X, you can own it through the link: https://maxkgomall.com/products/wifi-led-controller-and-dimmer-maxkgo-nelf-v1x