Robot dog will tell about the smell of legs

An organization at Japan “Next Technology” has invented a robot dog, whose length is 15 centimeters (6 inches).

The dog will says you have foot smell or not. This dog's nose has been attached smell recognizer sensor. The dog also can spray air fresheners to remove the odor.

The dog starts barking If it detect smell of legs. If the smell is unbearable, it pretends to become unconscious after spreading four legs.