EagleTac G25C2 MKII XM-L2 U2 Tactical Flashlight Rifle Mounting Set - 1180 Lumens - Include Remote Pressure Switch, Picatnny Rail Mount & LumenTac 2x CR123A Batteries CREE XM-L2 U2 LED Cool White, 1180 lumens maximum The brightest LED light using 2xCR123A batteries (2x Lumentac CR123A included) Easy to access different modes through rotary switch Rifle mounting kit - Dual function pressure switch and Picatinny rail mount Military Grade - Impact Proof and Waterproof