Wowtac BlackScoutSurvival V3 Flashlight Pocket-Sized LED Torch Super Bright CREE LED, 5 Modes with Strobe, IPX-7 Water Resistance, 1 x USB Rechargeable 18650 Lithium Battery Included;

Specification:

LED: CREE XP-L V6 LED with a lifespan of 20+ years of run time.
Runs on: Wowtac li-ion 18650 battery (3.6V/3400mAh).
Working voltage: 2.7V-4.2V
Output & Runtime (Tested with Wowtac li-ion 3.6V/3400mAh)

Strobe(1150 lumens / 2.7 hrs), 
High(1050 lumens /2.7hrs), 
Medium(208 lumens /8 hrs), 
Low(22 lumens / 2.5 days).

Peak beam intensity: 12150 cd (max.)
Max beam distance: 220 meters (max.)
Waterproof to IPX-7 Standard (1 meters).
Impact resistant: 1 meters.
Dimensions:139mm*25.4mm*24mm
Weight: 86g (excluding battery).
Accessories: Usb Rechargeable Li-ion 18650 battery*1, Cable*1,Spare O-ring*2, Pocket Clip*1, Red Lens Cover*1, Bezel*1

Operation

Turn ON/OFF
Click the tail switch to turn the light on and off. When it is turned on, it is HIGH mode.
Change Modes 
When the light is on, single click the side switch to cycle through high, medium and low mode.
Press the side switch and hold for 1 second to get strobe mode.
When the light is off, press the side switch to activate strobe mode, and hold 5 seconds to get constant strobe.
Low Voltage Indication 
The light will blink twice if the battery is low.

BSS V3 version (black) is Wowtac cooperated with YouTube reviewer BlackScoutSurvival who specialized in outdoor and survival living.