The image is a photograph of a sign posted on a metal door in a public restroom. The sign is in Japanese and is titled "Guidelines for Use". It has a blue background with white text and a yellow triangle in the center. Below the triangle, there is a list of guidelines for use in both English and Japanese. 

On the right side of the sign, there are several icons representing different types of police officers, such as a police officer, a police van, and a police car. These icons are accompanied by text in both Japanese and English.

At the bottom of the image, there has a red circle with a line through it, indicating that the sign is not allowed in the public restroom, as indicated by the "No Smoking" sign. The text on the sign reads "Notice from the Police" in English.