MS-2000 (M2) Strobe Marker Light - ACR Electronics, Inc。Amazon.com: EMERSONGEAR MS2000 Military Airsoft Distress Marker。FMA MS2000 Functional Distress Strobe Marker Light Rescue Signal。FMA MS-2000 (M2) STROBE MARKER LIGHT。。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.