When it comes to saving lives, anything less than the best is not an option. Since the introduction of the original MS-2000, it has become the main Combat Search and Rescue (C-SAR) light carried by elite military forces around the world. This strobe marker light features the latest LED technology, and meets the most up-to-date requirements of the military. Its vibration feature alerts you of activation and mode changes when using the IR shield, and its water activation sensors automatically switch on the light when it comes in contact with fresh or salt water. With 4 activation modes to choose from: Armed, Strobe, SOS, or Steady-On, you’ll be ready to shine your light in just about any situation.