Sofirn is the manufacturer who made the BLF Q8. With 4x cool white XPL HI LED.  Sofirn Q8 throws further than BLF Q8. Other than that, Sofirn Q8 is the same as BLF Q8: powerful, tough, great UI but easy operation.

* The Q8 is intended to be used with button top cells. The use of protected cells is highly recommended
*The Q8 is a very bright flashlight, do not point the beam at others. It is not a toy, do not let children play with it, and never leave the flashlight ON unattended.
*Use the lock-out sequence to deactivate the switch before putting the Q8 in a pocket or bag.

Output: 5000 Lumens (max.)
Led: 4* Cree XPL HI LED
Peak Beam Intensity: 50,000+ cd
Peak Beam Distance: 550 meters
Tint: 6000K-6500K
Battery Configurations:  (4*18650 button top batteries included)
Switch Type: Electronic switch 
Material: Made of Air-craft grade Durable Aluminum Alloy
Reflector: Aluminum smooth reflective
Use advanced temperature regulation (ATR) technology
Water resistant: IPX8
Working Voltage: 3-4.2V

For the safety to the battery: bit.ly/lionsafety
For more information to see: bit.ly/blfq8
Product review from BLF Forum:http://budgetlightforum.com/node/45915
Sofirn BLF Q8 5000 Lumens

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