FOURSEVENS Quark Turbo QB2L-X with Burst Mode CREE XM-L2 870 Lumen 2 x CR123A Cool White Flashlight

Say hello to the new Quark Turbo QB2L-X with Burst mode. We've upgraded the circuits on our QB2L-X to give you a massive increase in lumen output.

Thanks to the Burst mode, a new feature for the QB2L-X, this light will hit a blazing 870 lumens of output for the first 60 seconds on the Max setting before ramping down over the next 30 seconds to 50% of the initial output.

As always, our Quark collection was designed to give you a staggering array of options, accessories, and interchangeability so that you have the right light for the job in any situation. With a waterproof, aircraft-grade aluminum body and impact-resistant lenses, these lights are tough enough to meet any challenge.

Features

• Current Regulation
• Thermal Regulation
• Smart Circuit for Rechargeable Batteries
• Reverse-Polarity Protection
• Burst Mode
• DimensionsLength: 5.2 inches
• Body diameter: 0.86 inches
• Head diameter: 1.52 inches
• Weight (without batteries): 4.7 oz

• LED Emitter CREE XM-L2 
• Voltage range 3V-9V 
• Spot Beam Angle: 11 degrees
• Diameter at 3 meters: 570mm
• Flood Beam Angle: 64 degrees
• Diameter at 3 meters: 3.76 meters
• Brightness Levels:
• Moonlight: 0.5 lumens, 25 days
• Low: 4 lumens, 5 days
• Medium: 65 lumens, 13 hrs
• High: 270 lumens, 3.5 hrs
• Max: Burst at 870 lumens, 1 minute then 435 lumens, 1.4 hrs
• Special Modes Strobe: 10 hz, 1 hrs
• SOS: 4 hours
• Beacon: 12 hrs
• Reflector Smooth
• Body Material Type-III hard-anodized aircraft-grade aluminum
• Bezel MaterialType-III hard-anodized aircraft-grade aluminum
• Lens Material Impact-resistant glass, sapphire coating, antireflective coating
• Included Accessories
• Batteries, lanyard, split ring for keychain attachment, spare o-ring, holster, hand-grip