Simulator

Luggage area.
Button to define if your luggage is clear of suspicious.
Image filter selection box, click here for more details.
Zooming pad.
Brightness and contrast gauge.
   
Once the suspicious button is clicked, you havethis dropdown list that appears to choose the threat category.
When you have chosen the threat, click on the image where you think you have found the threat.
You can cancel the suspicious option by clinking on this button.