Please take a look at my another post with same title. this post is a mistake. my other post has pictures in it. but now, I will answer to your questions.
Their breed is leghorn.
In brooder, There are is a dust bath, newspaper bedding, a bowl of water with pebbles in it and a commercial feeder. On top of the brooder I have putted a mosquito net to avoid escaping.
area of the brooder is 2.4 square
feet and it's height is 20.5 centimetres