Streamlight ProTac Rail Mount 1L-X Pro Features The Streamlight ProTac Rail Mount 1L-X Pro runs on a multi fuel power system accepting either a Streamlight SL-B9 rechargeable lithium ion battery pack or a standard CR123A lithium battery for flexible field use. TEN-TAP programmable switching lets users select between three operating programs including high with strobe high only or low to high tailoring the light s behavior to the mission at hand. On a CR123A battery the light produces 500 lumens and 18 000 candela with a 268 meter beam distance for 1.75 hours of runtime while low mode stretches to 6.5 hours at 100 lumens. The Jack-Cap tail cap offers both a push button switch and a port for an included remote pressure switch giving operators the choice of activation method. Constructed from 6000 series machined aircraft aluminum with a black anodized finish this light is built to survive extensive live fire testing and impact resistant use in demanding environments. It is IP67 rated for waterproof operation to 1 meter for 30 minutes with the standard switch installed and IP54 rated for water resistance when the remote pressure switch is attached. A one handed snap on and tighten interface keeps hands clear of the muzzle during mounting or removal from the firearm s Picatinny or M-LOK rail. At 5.5 ounces with a CR123A battery the ProTac Rail Mount 1L-X Pro delivers serious output and durability in a compact mission ready package. Streamlight ProTac Rail Mount 1L-X Pro Specifications Manufacturer: Streamlight Model: ProTac Rail Mount 1L-X Pro Type: Weapon Light Compatible Hosts: 1913 Picatinny Rail M-LOK Color: Black Finish: Anodized Material: Aircraft Aluminum Output: 100 / 500 Lumens Max Candela: 18 000 Battery Size: CR123A Run Time: 1.75-6.5 hrs Modes: High / Low / Strobe Length: 4.64 Waterproof Rating: IP67 Weight: 5.50 oz Includes: Jack Cap M-LOK Kit Momentary Switch Hardware Kit CR123A Battery Available At: GrabAGun