EMERSONGEAR MS2000 Military Airsoft Distress Marker Functional。Amazon.com: FMA Tactical Airsoft MS2000 Strobe Helmet Light。157014626.png?cmsp_timestamp=。EMERSONGEAR MS2000 Tactical Airsoft Distress Marker Functional。This is an authentic MS2000 Strobe light. The item has been used but remains in good shape. If you are sensitive to scratches from a used item do not bid. Can confirm that it powers on and works correctly.