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The M600DF Ultra Scout Light is a lightweight compact Weapon Light featuring an ultra-high-output LED that delivers 1200 lumens of blinding white light with 123A batteries and 1500 lumens of light with the SF18650B MICRO-USB rechargeable lithium-ion battery. A proprietary Total Internal Reflection (TIR) lens shapes the recoil-proof LED's light into a beam with plenty of reach but enough surround light to accommodate peripheral vision making the M600DF ideal for medium to longer-range applications. The rugged M600DF attaches quickly and securely to any MIL-STD-1913 rail via its integral thumbscrew clamp. A slight press of the Z68 tail cap switch will activate the momentary-on while fully depressing the tail cap until it clicks will activate constant-on. Constructed of lightweight aerospace aluminum with a Mil-Spec Hard Anodized finish and O-ring sealed to keep out the elements the tough M600DF will endure combat-like conditions without any sacrifice in weapon maneuverability.