The only strange thing is that they cycle their turn-on time to start at different hours every couple of days? Bought a total of three.

The instructions are difficult to understand and appear to have been written by someone who knows nothing about horticulture. Standard grow lights are much more likely to help rather than kill your plants.

The pictures make them look much longer and brighter than they really are. They were packaged well upon arrival.

The only draw back is you have to supply your own usb ac adapter. Some outlets and surge protectors have usb slots now. Provide a charging block.