You know how it is. When you have to go, you have to go. But you don’t always know if someone is in there already. And from the other perspective, when you are doing your business, it’s annoying to hear someone knocking to rush you long.
Well, these neat illuminated door handles begin to glow when the door is locked from inside. It just takes a single AA battery to operate and anyway it makes your home look that much cooler.