Product: ThruNite TC15 V3 2403 High Lumen Flashlight, USB C Rechargeable LED Handheld Flashlights, Ultra-Bright CREE XHP 35.2 LED, Indoor/Outdoor (Camping, Security and Emergency Use) Cool White - Black CW
Brand: ThruNite
Color: Tc15 V3 Black Cw
TC15 V3 Specification

LED: Cree XHP-35.2 LED.
Battery: 1 *IMR3100mAh 18650 ( included)
Dimension: 122.5mm*27mm*23.5mm
Weight: 74 gram without battery.
Reflector: Orange Peel Reflector
Aircraft quality aluminum alloy body structure.
Premium Type III hard-anodized anti-abrasive finish.
Waterproof to IPX-8 standard.
Distance: 223 meters (max.)
Intensity: 12420 cd (max.)

Output and run time:

-Firefly: 1 Lm(30 days),
-Low: 34 Lm(50 hrs),
-Medium: 330 Lm (4.6 hrs)
-High: 1057 Lm~754 Lm(1.6 mins~108 mins),
-Strobe:1040 Lm(190 mins)
-Turbo: 2403 Lm~732 Lm (2.3mins+106mins)

Operation

Lock/Unlock
When the flashlight is off, press and hold the side switch to enter the firefly mode.
Under firefly mode, press and hold the side switch to access the lockout mode.
Under the lockout mode, press and hold the side switch to unlock the flashlight.

Turn on /off 
Press the side switch to turn the light on/off.

Change modes
When the light is on, press and hold the side switch to cycle through a low, medium, and high. 
Shortcut to firefly: When the light is off, press and hold the side switch to get firefly mode. 
Double click to turn to turbo from any mode. Triple-click to get strobe.

Memory Function:
The light will turn on in the last mode accessed, except for firefly, turbo, and strobe.

Rechargeable function:
During charging, the indicator is RED. After being fully charged, the indicator will be BLUE. When the indicator flashes purple, it means abnormal charging. Please screw down the light head and tail cap tightly before use. 
Only firefly and low modes are available while charging.

Notes:
The above parameters tested with one ThruNite 3100mAh 18650 IMR battery are approximate and may vary between lights, batteries, and environment.
Remove the insulator piece from the flashlight
EXTREME OUTPUT: Powered by a CREE XHP 35.2 LED the TC15 V3 produces up to 2403 lumens with a beam distance of 731 ft / 223 m. Please Screw Down The Light head tightly Before Using
USB-C FAST RECHARGEABLE: Powered by a rechargeable IMR 3100mAh 18650 cell, the TC15 V3 features Built-In USB type C charging port and a battery level indicator, so you can know when it's time to top up. ( Battery and charging cable included )
MODES FOR EVERY SITUATION: Firefly/ Low / Medium/ High / Turbo /Strobe light modes, makes the TC15 perfect for any situation, perfect gear for outdoor activities and adventures.
USER-FRIENDLY UI AND RUGGED DESIGN: Quick access Turbo from any mode with a double-click, keeping you safe when in a dangerous situation. Grippy and non-slip knurling design makes the TC15 V3 glove-friendly.
COMPACT AND LIGHTWEIGHT: 4 oz / 113 grams and 4.8 inch / 12.19 cm long, the TC15 V3 packs a serious punch while still being compact enough for backpacks, pockets and belts.

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