I have a Streamlight Sidewinder Flashlight as issued once to the USMC Fighting Ground Forces. It has 4 brightness settings, for white light, blue night use, Red night light use and IR use. It also has strobe abilities in and light mode, uses 2 standard Alkaline AA batteries. Head swivels 180 degrees. Has total darkness battery direction indicator waterproof for 30 min in 3 meters of water. It has attached metal clip to attach to belt or helmet clip. Currently selling on Amazon for over $90. This are in absolute mint condition and may not ever been issued.