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FourSevens Quark Smart QSL Flashlight 350 Lumens

Manufacturer: FOURSEVENS

Model: FS-QSL-AF

Retail: $65.00


In stock(Usually Ships in 24-48 Hours)


The FourSevens Quark Smart QSL is a small compact single cell light with the new Smart technology. The light has Bluetooth functionality and through the use of the the Smart Flashlights App, available now on the AppStore, the light can be paired to your smart phone. Through the app, you can check battery life, remaining runtime, power up the light in any mode, configure two additional interfaces: Pro and Infinite, and set proximity alarms. Even though the technology is extremely cool, this is still a Quark light that is full functioning without pairing.

The Operation: The light ships in a default tactical mode. In this mode, tail cap switch is strictly momentary on when fully depressed. Side mounted switch on the main body controls on/off and mode changes. A single-click turns the light on/off, double-click steps through all eight modes.

The Body: Hard anodized aircraft grade aluminum, with knurling in three strategic locations. Tail cap has extended tactical tail button for instant illumination. Designed to go right in the pocket or carried around the neck. Included strap has a carabiner on one end for quick detachment. This great little EDC is ls lightweight with multiply carry options and runs on standard or rechargeable cells.

Outputs and Runtimes:

  • High - 350 Lumens - 1.5 Hours
  • Med - 100 Lumens - 3 Hours
  • Low - 10 Lumens - 18 Hours
  • Moonlight - 1 Lumens - 15 days
  • Beacon Hi - 10 Hours
  • Beacon low -30 Hours
  • Strobe - 3 Hours
  • SOS - 5 Hours


  • 1 x CR123A
  • Spare O-Ring
  • Lanyard
  • Split ring
  • Finger-grip
  • Nylon Holster


Bulb Type CREE XM-L2 LED
Max Output 350 lumens
High Output 100 lumens
Medium Output 10 lumens
Low Output 1 lumens
Battery CR123A
Max Runtime 18 hours
Min Runtime 1.5 hours
Beam Distance 100 feet
Impact Resistance 1 meters
Waterproof 3 meters
Body Material Aluminum
Overall Length 3.43"
Bezel Diameter 21.8 mm
Body Diameter 21.8 mm
Weight 1.46 oz.
Sheath Nylon
Country of Manufacture China