Who is the superhero/villain you have selected? (Their name and superpowers)
batmans
What is the name of the gadget you are inventing for them?
The world smallest camera that also come with a mic

What does the gadget do?
smallest camera that also come with a mic

why does the hero/villain need the gadget?
Just in case

What does it look like? (Describe in detail size, color, and shape)

The camera is shaped like a t-shirt button. The camera's color can change depending on the color of the shirt, and it's also equipped with a microphone.