Brown's system had a set of 4 peep holes and a camera that could slide up and down to look at each one.

The dark square in the top right-hand corner represents a peep hole.

He turned down the sound and got up to look through the peep hole.

Taking a last look, he laughs while looking through the peep hole again.

Looking through the peep hole, she saw the two detectives.

Record has blue labels and a blue "peep hole" on the back of the cover.

I hesitated, then glanced through the peep hole, perceiving no one.

It's the same as someone knocking on your door and putting their finger over the peep hole.

There was no change in the way light shone through the peep hole.

No light showed through the peep hole in my door.