With 400 lumens of vibrant white light, our WML Series is ultra-compact, durable, and offers three operating modes: constant, momentary and strobe. Extensively tested for performance, durability and reliability, its high efficiency emitters provide up to 1.5 hours of runtime. This 3-ounce weapon light’s concentrated, high-intensity beam fills your field of view for close to mid-range target identification. The strobe function is easily disabled and the easy-to-operate logout system ensures the light isn’t turned on until you’re ready. Our all-inclusive rail clamping design integrates seamlessly with your weapon, providing simple, fast mounting with no need for additional tools.Constant, Momentary, Strobe FunctionsHigh efficiency emitter provides up to 90 minutes of run timeIntegrated MIL-STD-1913/NAR Rail.Ergonomic contoured design for easy on/offSafety lever/head rotationWaterproof up to 66 feet400 LumensSpecs: Length- 4.20 Inches Bezel Diameter- 1.05 Inches Weight- 3.22 Ounce Battery Type- CR123A Batteries Included- Yes Bulb Type- LED Bulb Color- White Output- 400 lumensRuntime- 1 1/2 hr