The best way to protect yourself and solve crimes. ProTag is an emergency call device combined with an alarm siren and a color spray. By pressing the emergency-call buttons (the two orange buttons on the sides ) your GPS- Position as well as your personal information will be send to the police. In the same time a loud alarm starts to distract the perpetrator. After the emergency-call buttons were pressed it is possible to use the color- tag function. The color function (press orange button on top) is only useable after the emergency call was pressed to ensure a misuse of the color. The colour is very permanent on skin and clothes. It will stay for at least one week even after several washings. The color helps to find the criminals much faster and is a key feature to help in investigations.