WOWTAC A3 LED Flashlight Max 600 Lumen with Zoomable Adjustable Focus, 5 Modes with Hidden Strobe, Outdoor Water Resistant Torch, Powered Tactical Flashlight for Camping Hiking (A3 CW);

Wowtac A3 Specification:

LED: CREE XP-G2 LED with a lifespan of 20+ years of run time.
Runs on: Wowtac li-ion 18650 battery (3.6V/2600mAh).
Working voltage: 2.7V-4.2V
Reflector: TIR lens.
Output & Runtime (Tested with Atactical li-ion 3.6V/2600mAh)

Strobe (600 lumens /3.5 hrs), 
Turbo (600 lumens/3 hrs), 
High (220 lumens /5 hrs), 
Medium (65 lumens /20 hrs), 
Low (16 lumens /2.3 days),
Reading (10 lumens /3 days).

Peak beam intensity: 13280cd (max.)
Max beam distance: 230 meters (max.)
Waterproof to IPX-4 Standard.
Impact resistant: 1.5 meters.
Dimensions: 123mm*25.4mm (body)*34mm(head)
Weight: 83g (excluding battery).
Accessories: USB Rechargeable Li-ion 18650 battery*1, Cable*1,Spare O-ring*2, Pocket Clip*1

Wowtac A3 Operation

 Turn ON/OFF
Single click the switch to turn the light on and off.
Long press the switch to get reading mode.
Double click the switch to get turbo mode.

 Change Modes 
With the light turns on, long press the switch to cycle through Low, Middle and High.
Double click to turn to Turbo from any mode. Another double click to get Strobe.

 Memory Function 
The light will turn on in the last mode accessed, except for Reading, Turbo and Strobe.

 Spotlight and Floodlight Adjustment
The factory default will be total floodlight. Stretch or shorten the head torch to generate spotlight or floodlight.

 Low Voltage Indication
The light will blink twice if the battery is low.