See the difference between lights on and off.

I want to do the same but different as these guys have done on

https://perfectartlights.com/collections/picture-lights-1/products/copy-of-ml-fm-frame-mounted-picture-light

See how the image switches below "See the difference between lights on and off."?

I would like to do that on one of our web pages too using different art - maybe Mona Lisa or some famous painting that's not copyright.

Can you write the code and supply the images?