Lavatory Navigator lights up your toilet in dark

Lavatory Navigator or LavNav in short is the little gadget that you can attach to the cover of your toilet bowl to make it glow or light up when you approach it in dark. You know, when you get up in the middle of night to have your late night pee, and you wouldn’t wanna disturb your significant other, so you’d choose not to turn on the light of the room. But, this will surely cause urine stains all around if you’re peeing in the dark, which would most probably piss your significant other off the next morning!