Streamlight, TLR-1 HL, High Lumen Rail Mounted Tactical Light, C4 LED, 1000 Lmn.  The TLR-1 HL now provides an 1000 lumen blast of light for maximum illumination while clearing a room or searching an alley. Its wide beam pattern lights up large areas so you can identify who or what is nearby.
C4 LED light
Fits broad range of weapons
Tethered battery door and latch
IPX7 waterproof
Serialized for positive identification