There are no differences between WL888 and WL666 other than digital display and the number of channels. If you require more than 10 units, it is recommended that you purchase the WL888 model, with 10 units or less you can purchase WL666.

My wife and I were trying to hold back laughter during one part of the video. I'm sure you'll figure out where 🤣

0:20 Unboxing
2:23 Setup
4:22 Testing
5:04 Settings, Troubleshooting, and Q&A
8:20 Last Thoughts