if you’ve ever wondered “how good is the Game Boy Light’s electroluminescent backlight, anyway?”
well, here’s it running the same game next to a Game Boy Pocket with an aftermarket 3-LED backlight system and voltage regulator fitted
(yes, both backlights *are* on!)
(It’s notable that in this comparison the modified Game Boy Pocket manages something like 2.5-3 hours of battery life with those LEDs, while the Light boasts 12 hours with the backlight on, and 20(!) with it off)
In darkness, however, the Game Boy Light’s electroluminescent backlight is *gorgeous;* it’s a lovely colour, has great contrast, and is super consistent… the LEDs might even be *too* bright in darkness! :P
and of course, one of my favourite features of the Game Boy Light is the “RISK OF ELECTRIC SHOCK” warning in the battery bay
(because the electroluminescent backlight is a high-voltage, high-frequency part, so there *are* actually potentially-shocking voltages inside!)
@ticky Yeep! 
I'll have to remember that.
@arielmt they generally operate at somewhere between 60 and hundreds of volts, AC, so, probably all of them!