The Modlite PLHv2-18350 Weapon Light with 1 18350 battery has a similar lumen output to the Surefire M600DF head at 1350, but the throw is much better suited to a rifle mounted application at more than three times the amount throw than the M600DF. The light is a large step forward from the PLHv1 light. Lumen output is about the same but throw is greatly improved. It is the best balance of flood and throw available. FeaturesCool White 5700K emitter tintMade and assembled in the USADrivers are fully potted and tested to withstand select fire SCAR 17 recoilLifetime guaranteeApproximately 1350 out the front lumens and candela is approximately 54,000. It is an excellent overall light head good for indoor or outdoor use.6061 Series Alum bezel with Mil-Spec Hard AnodizingUltra-clear BOROFLOAT lens allows 98-99% light transmittance Note: Lithium CR123 cells are not supported and if used will cause the cells to heat up and possibly explode or catch fire.