SureFire M600C Scout Weaponlight, Black 200 Lumens of Output for 2 Hours Virtually indestructible, regulated LED combined with a TIR lense maximizes output and runtime for close to medium range applications SwitchesMomentary-on tape (7" cable), momentary/constant-on pushbutton Mounting systemIntegral thumbscrew clamp for Picatinny rails ConstructionHigh-strength aerospace aluminum with Mil-Spec anodizing; impact-resistant polymer; coated tempered window