Streamlight 89017 ProTac Rail-Mount HP-X Pro 800-Lumen 105000-Candela Tactical Flashlight with JackCap Tail Switch, MLOK Mount, and Non-Rechargeable Batteries, Black

Fits long guns with MIL-STD-1913 rails; optional M-LOK mount included; verify compatibility and fitment before purchase High mode provides a bright 800 lumens, 105,000 candela with a 648 meter beam Adjustable light modes with TEN-TAP programming to choose your preferred operating mode; high/low/strobe; for a longer run time up to 26 hours switch to low mode Multi-fuel: accepts (1) Streamlight SL-B26 protected Li-Ion battery pack (included) or (2) CR123A batteries (sold separately) IP67-rated; waterproof to 1 meter for 30 minutes (without remote pressure switch installed); IP54-rated; water-resistant (with remote pressure switch installed)