Although the tone of the doorbell is not as monotonous as before, it is still different from piano. However, China's designer Li Jianye gives us a piano doorbell. This product has several piano keys which allow the guest to play what ever tone he likes.
Great in the camper/travel trailer, to keep loose items organized and off precious flat space. make this: quick drop zone - great for keeping keys and sunglasses in one place - - rugged yosemiterugged yosemite