The Knock Knock Door Chime. Reminds us of a joke…ah well better not, eh? So, no door bell? Fear not gentle householder, hie thee to a shoppery and purchase a box which automatically converts a knock on the door to a door chime sound. Why? Well perhaps you’re allergic to installing door bells? Or maybe you enjoy causing pain to your visitors as they rap their knuckles painfully on your Amazonian Super Hardwood Pine Portal And Patented Drawbridge? Don’t ask us, we only work here. Sheesh! $49.95.
Wireless system allows you to place the lightweight chime anywhere in your home or office, up to 100 feet away. * Intelligent sensor is only activated by a knock-knock sound. * Easy installation and no unsightly doorbell button. Simply mount the sensor on the inside of your door with double-sided tape.