6.21 in. silver 6000 series tempered aircraft aluminium with anodized finish and non-slip knurled grip. White LED bulb for 100000 hours and 12000 millicandelas of power. Over 10 hours of runtime. Takes 3-AAAA alkaline batteries. Weighs 1.1 ounces. Push tail cap button for momentary on or twist for constant on/off.ATTRIBUTES Bulb: LED Burn Time: Up To 60 Hours Carry System: Clip Finish: Silver Anodized Material: Aluminum Output (lumens): 4.3 Overall Length (inches): 6.21 Power Source: AAAA x 3 Submersible: No Switch: Tailcap Push Button