The Meehoo with an Exactlywatt

Knock knock!
Who's there?
Me!
Me who?

That's right!
What's right?
Meehoo!
That's what I want to know!

What's what you want to know?
Me, WHO?
Yes, exactly!
Exactly what?
Yes, I have an Exactlywatt on a chain!

Exactly what on a chain?
Yes!
Yes what?
No, Exactlywatt!

That's what I want to know!
I told you; Exactlywatt!
Exactly WHAT?
Yes!
Yes what?

Yes, it's with me!
What's with you?
Exactlywatt; that's what's with me.
Me who?
Yes!

GO AWAY!

Knock knock...