Really want to mess with 'em?

I've got one of these:Click image for larger version. 

Name:	618Jsw2FlFL._AC_UL160_SR160,160_.jpg 
Views:	15 
Size:	4.7 KB 
ID:	69637

https://www.amazon.com/Crystal-Power.../dp/B000YHO28U

TECHNICALLY, it's a digital clock