Features:

When TK16-AL is powered by RCR123 battery (16340 550mAh 10C battery ):
LED option 1: CREE-XPG3
Power Mode
Moonlight: 0.5 lumens; 6 days
Low: 18 lumens; 110cd; 21 meters; 12 hours
Med: 100 lumens; 440cd; 42 meters; 3 hours
High: 600 lumens; 2900cd; 108 meters; 1 hour
Turbo: 1800 lumens; 6250cd; 158 meters; 45 minutes 
Strobe: 600 lumens; 1 hour

ECO Mode
Moonlight: 0.5 lumens; 6 days
Low: 18 lumens; 110cd; 21 meters; 12 hours
Med: 100 lumens; 440cd; 42 meters; 3 hours
High: 600 lumens; 2900cd; 108 meters; 1 hour
Turbo: 1050 lumens; 3800cd; 123 meters; 45 minutes 
Strobe: 600 lumens; 1 hour

LED option 2: OSRAM
Power Mode
Moonlight: 0.5 lumens; 6 days
Low: 20 lumens; 355cd; 37 meters; 12 hours
Med: 100 lumens; 1950cd; 88 meters; 3 hours
High: 478 lumens; 11000cd; 210 meters; 50 minutes
Turbo: 1300 lumens; 28500cd; 338 meters; 45 minutes
Strobe: 478 lumens; 1 hour

ECO Mode
Moonlight: 0.5 lumens; 6 days
Low: 20 lumens; 355cd; 37 meters; 12 hours
Med: 100 lumens; 1950cd; 88 meters; 3 hours
High: 478 lumens; 11000cd; 210 meters; 1 hour 15 minutes
Turbo: 780 lumens; 18200cd; 270 meters; 1 hour
Strobe: 478 lumens; 1 hour

LED option 3: LUMINUS SST-20 CRI≥95
Power Mode
Moonlight: 0.5 lumens; 6 days
Low: 13 lumens; 46cd; 12 meters; 12 hours
Med: 80 lumens; 236cd; 30 meters; 3 hours
High: 450 lumens; 1271cd; 71 meters; 1 hour
Turbo: 1250 lumens; 3570cd; 118 meters; 45 minutes
Strobe: 370 lumens; 1 hour

ECO Mode
Moonlight: 0.5 lumens; 6 days
Low: 13 lumens; 46cd; 12 meters; 12 hours
Med: 80 lumens; 236cd; 30 meters; 3 hours
High: 450 lumens; 1271cd; 71 meters; 1 hour + 15 minutes
Turbo: 750 lumens; 2000cd; 89 meters; 45 minutes
Strobe: 370 lumens; 1 hour

Max. output 1800 lumens
Max. runtime: 6 days
Max. beam distance: 338 meters
Peak beam intensity: 28500cd

When TK16 is powered by CR123A battery (1500mAh):

LED option 1: CREE-XPG3
Power Mode
Moonlight: 0.5 lumens; 12 days
Low: 12 lumens; 110cd; 21 meters; 17 hours
Med: 100 lumens; 440cd; 42 meters; 4 hours 30 minutes
High: 255 lumens; 950cd; 62 meters; 2 hours
Turbo: 600 lumens; 2650cd; 103 meters; 1 hour
Strobe: 600 lumens; 50 minutes

LED option 2: OSRAM
Power Mode
Moonlight: 0.5 lumens; 12 days
Low: 20 lumens; 355cd; 37 meters; 17 hours
Med: 100 lumens; 1950cd; 88 meters; 4 hours 30 minutes
High: 200 lumens; 3960cd; 126 meters; 2 hours
Turbo: 520 lumens; 12100cd; 220 meters; 1 hour
Strobe: 380 lumens; 50 minutes

LED option 3: LUMINUS SST-20 CRI≥95
Power Mode
Moonlight: 0.5 lumens; 12 days
Low: 13 lumens; 46cd; 12 meters; 17 hours
Med: 80 lumens; 236cd; 30 meters; 4 hours 30 minutes
High: 180 lumens; 450cd; 42 meters; 1 hour 45 minutes
Turbo: 400 lumens; 1240cd; 70 meters; 1 hour
Strobe: 250 lumens; 50 minutes

Max. output 600 lumens
Max. runtime: 12 days
Max. beam distance: 220 meters
Peak beam intensity:12100cd

Size: 23mm Head Diameter x 66.5mm Length x 22mm Tube
Weight: 75.8g w/o battery; 93.8g w/ battery
Innovative body construction is made of solid billet ultra conductive pure red copper
High CRI (CRI≥95) LED resembles the nature of sunlight and reveals subtle detail of an object
Long range beam distance up to 338 meters by OSRAM LED
Customized 10C discharge current IMR16340 550mAh battery (RCR123 battery)
TIR (Total Internal Reflection) optic facilitates efficient light transmission with a broad beam and a generous throw
Highly integrated tail switch switch for all easy operation
Knurling and polishing finish provide a secure grip
Multiple LED, multiple brightness and light range
Compatible Battery: 1 x IMR16340 550mAh (RCR123) battery (recommended) / 1 x CR123A battery
Strobe setting that can disorient an attacker or serve as a distress signal
Detachable Gold plated clip and compact size for easy carry
Streamlined body with slim head design
Underwater 2 meters submersible
1 meter impact resistance
Low battery voltage warning with flickering
Intelligent highly efficient circuit board design for max. performance and long run time
Intelligent temperature controlled light output for user safety

Note: The pure copper will change color slowly because of oxidation when exposing in the air. The color will show much difference by frequently play according to the using environment and using habit.To avoid oxidation, TK-16 copper will be shipped by vacuum packing.

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