Output (Lumens): 330 or 8200 LUX @ 1 meter (High) 5 (Low) Length: 3.85 inches Bezel Diameter: 1.06 inches Material: titanium Runtime: 1.5 hrs (High) 50 hrs (Low) Batteries: 1x CR123 battery The extreme power and portability of the American Made LensLight Mini make this a must have device; emitting an astonishing 7200-LUX (300 Lumens at LED) of power in the highest of two modes, it is untouchable by any competition. With an effective range of over 200 yards, machined titanium body and weatherproof design, this survival tool is sure to get the job done in the harshest of environments. 1) High Impact Hardened Optical Glass Lenses – protects the LED from the toughest of conditions and diligently bends the light much like a magnifying glass to ensure maximum brightness, distance, and efficiency. But don’t let the durability of a glass lens fool you, these lenses have been vigorously tested and designed to withstand excessive abuse while retaining optimal performance. 2) Patented Focusing Aspherical Lens System – This patented technology allows for a significant array of focusing options ranging from a flood to spot beam. This ensures that the perfect focus setting is available whether you are concentrating the light hundreds of yards away, or simply lighting up an object nearby. 3) McClicky Momentary Activation On/Off Switch – This reliable easy to use tailcap switch enables the LensLight Mini’s 2-stage microprocessor to power the flashlight at either an efficient low setting or high output level for maximum brightness. Simply press down once for low setting, press again for high setting, or simply press all the way down for constant- on. 4) Light Emitting Diode –A premium exclusive high-tech, high-efficiency LED is used to emit astonishing power that is untouchable by any other light. This everlasting LED is sure to exert enough luminosity to stop any and everything in its track. Now that’s what you call an LED! 5) Premium Grade O-Rings- LensLight Mini contains 6 strategically placed O-rings throughout the flashlight to seal and protect the lights internals from dust, moisture, and any other micro-substance that it may come in contact with. This ensures that the LensLight performs at maximum efficiency at all times and your investment last a lifetime. 6) 1X CR123 Battery – powered using only one 123 A battery. 7) Titanium Pocket Clip. (1) 123A Battery Patented Focusable Aspheric Lens System 2-Stage Clicky Tail Cap Switch (low: 5 lumens/high: 300 lumens) High Tolerance American CNC Machining Double Lens - high impact hardened glass Chem-Kote Contacts and Heat sink Aerospace Grade Thermal Potting and Flow Management Weather Proof/Water Resistant Premium Bin High CRI CREE XPG-2 LED Fully Regulated Light Engine This knife is the TAD Gear Edition. EXCELLENT CONDITION.