The Night lamp runs on 5V (600 mA max.) and can easily connected to any 5V USB power socket by a suitable cable as mentioned in the custom section.
The rotation speed can be adjusted by the built-in ESC via the knob.
The brightness of the LEDs is fixed for best visibility - even on daytime.
To generate your Lithophane please visit http://3dp.rocks/lithophane/
Load up your image , choose "outer curve", size 100mm, thickness 3mm
Then download the STL and print with white PLA for an optimal effect.