I bought the two pack and was able to get the two linked together. Unclear if you must have the app running at all times to keep them linked, but initial tests with moving text were successful.



Using yellow/green chartreuse text it is bright enough to read from a good distance.



These are the 20x20 led 1mx1m panels, side by side.



Will be used for pro-democracy work!

Ok

The product is almost perfect. At the ends of the vertical cords, a small weight would be useful to keep them upright. Without them, the LED strips waver and curl slightly. It's a pity that in the color palettes, you can only choose a color or a predefined effect. You can't set custom themes in the color palettes. There are effects where the device reports a lack of memory when trying to set them up. Aside from the above, this is really a very good product.

Nice, quality stuff.

This was very nice. Much better than expected. Powerful applets you make your own shapes with different colors. You can even draw your own shape on your phone and it will show up on the lights. It looks great and was easy to install. Well worth it.