ProTac 2.0 Rail Mount System w Straight Pressure Switch Karyotype Blood Test Couple Karyotype Test Genetic Analysis For. Up to 2,000 lumens Up to 266m beam Up to 11 hour run time 3 user selectable programs This powerful, rechargeable 2,000 lumen light features a dedicated fixed mount for Picatinny rails and uses either a remote switch or standard push button tail switch (both included). Use in close quarter combat or to identify medium range threats. Rugged, reliable, and easy to use. Rail clamp designed to rapidly and securely attach detach from rifles, carbines and long guns with a MIL Standard 1913 Rail. 2,000 lumens and 266 meter beam on high mode or switch to low mode for 11 hours of runtime. High Low Strobe modes with TEN TAP programming to choose your preferred operating mode. Powered by the new SL B50 battery pack that charges using a USB C cord outside of the light or inside, no need to remove from your weapon! Momentary Steady on off switch. Remote switch ready. Dust tight, waterproof and impact resistant to 2m.