UTG COP 200 LED Light, Single Battery, Handheld or QD Mount COP Stands for Compact, Optimal and Powerful, Handheld or Weapon-mount Tactical LED Flashlight with Only 4.6" in Length and 7.0 oz in Weight UTG Proprietary Integrated Reflector & Bulb Design with CREE T6 LED, Provide Instant Flood Focus for Clear Area Identification High Intensity Regulated Output Using Only 1 CR123A Battery, 60 Minutes Continuous Operating Time for Demanding Outdoor Activities Combat Tactical Front Head and Anti-rolling Stop Shoulder, Dual Activation System Featuring Push on and Remote Pressure Switch Operations Max Strength Twist-lock Picatinny Rail Mounting Ring with 45 Degree Offset Angle for Optimal Low Profile Center Bore Alignment