You power this by a simple USB cable. Quntis is LED lamp that simply clamps to a computer or monitor and is powered by a standard USB-C connection. Clamping to your monitor helps to save desk space ...
Now, a few minutes after I leave my desk, the ScreenBar Pro turns ... for longer (this will drain your laptop battery). Still, it's a tiny little lamp on the go, perfect for anyone routinely ...
Besides a small board for the barrel jack ... I only use the lamp while working late on my laptop, so a simple desktop or keyboard shortcut to a Python script would be a convenient way to control ...