draw their weapon during the commission of a crime environmental noises may cause them not to be heard this leaves the potential for friendly fire accidents to occur the purpose of the floew system is to provide an advanced real time early warning response to uniformed police officers who encounter a fellow off duty plainclothes or undercover police officer during to the commission of a crime the goals of the floew system are to alert police officers warning them of the impending fellow officer encounter and ultimately avoiding friendly fire and to avoid the emotional pain and suffering of families and the financial liability to municipals that result from fatal law enforcement friendly fire accidents the floew system uses infrared technology to emit and detect signals the ir emitter module drawing 1 fig1 5 is attached suspend around the neck or clip to clothing to the body and emits a continuous signal when the voltage is applied power button on the ir detector has two operation positions the on position activates the ir detector and establishes a continuous signal detection state while the auto position activates through an internal mercury switch the detector when the firearm is in the motion of being raised and aimed both positions activate the ir detector immediately enabling it to detect the signal generated by the ir emitter and sound a piezoelectric alarm or illuminate an led these alarm signals alert the police officer.