JETBeam 1MK Flashlight Black. This pint-sized flashlight can generate up to 480LM of brilliant cool white light. Three outputs are easily accessed by simply twisty switch activating the light by tightening its twist-able head and changing its output mode by loosening and re-tightening the head. The JET-1 MK is powered by either a single 14500 or AA battery (not included) but is able to continuously run for up to 100h on its Low mode Specifications for JETBeam 1MK Flashlight: Manufacturer: JETBeam Flashlight Application: Backpacking Color: Black Fabric/Material: Aluminum Quantity: 1 Battery Type: AA Condition: New Features of JETBeam 1MK Flashlight: Body material: Aerospace-grade Aluminum Alloy Battery Quantity: 1 x AA / 14500 battery (not included) Lens: Toughened Ultra-clear Mineral Glass Lens Beam Distance: 100-150m Impact Resistance: 1M High Mode: 1.1h 150LM / 0.5h 480LM Package Contents: JETBeam 1MK Flashlight JETBeam JET-1MK: 1MK Flashlight Black