• Super Bright: 3 XPL LED give out max 3500 lumens at Turbo, light up a field easily. Great for camping hiking hunting boating or military use.
• Meet Your Needs: choose from 1 mode, 3 modes, 4 modes or Ramping mode, no matter you like simple on/off operation or like having fun with it, it meets your need.
• Tough EDC Tool: with rugged bezel design and tough material, C8F light survived from 12 strict tests in Sofirn’s lab. 149mm in length and 44.6mm head diameter, it fits nicely in your hand or pocket. No matter where you go, C8F is your reliable companion.
• Excellent Runtime: powered by a 4000mAh 21700 battery, it runs about 23 days at moonlight. When the battery is short of juice, side indicator flashes in red. It turns off to protect the battery when the voltage is below 2.8V.
• Package Content: 1* C8F, 1* 21700 battery included, 1* USB charging slot with charging cable, 1* manual and helpful customer service.

Specifications:

Emitter: 3x CREE XPL LED (5000k)
Working voltage: 2.8 V-4.2 V
Size: 149mm (length)* 44.6mm (head diameter)
Weight: 200 ± 2 grams (without battery)
Waterproof: IPX8, underwater 2 meters for 30 minutes
Reverse polarity protection: Yes

Operation Instruction:

The tail switch is the tactical switch, and the side switch is the functional switch.
ON/OFF
Tap the tactical switch to momentarily turn on the light; release it and the light will go out. Fully press the tactical switch to constantly turn on the light; press once again to turn off the light.

Output Selection:

Group 1: 500 lumen
With the light switched on, press and hold the side switch to Standby.
Group 2: 100LM-700LM-1800LM
With the light switched on, single click the side switch to cycle through
Low→Med→High, press and hold to Standby.
Group 3: 10LM-100LM-500LM-1800LM
With the light switched on, single click the side switch to cycle through
Eco-Low→Med→High, press and hold to Standby.
Group 4: 1LM-3500LM(Ramping)
With the light switched on, press and hold the the side switch to ramp up and down, single click to Standby.

Hidden Modes:

Moonlight Mode: While the light on Standby, press and hold the the side switch to Moonlight, single click back to Standby.
Turbo Mode: at Standby or other standard modes, fast double clicks to Turbo, another click goes to previous mode.
Strobe Mode: at Standby or other standard modes, fast 3 clicks to Strobe, another click goes to previous mode.

Advanced Temperature Regulation (ATR) technology:

If the head temperature reaches 50 ℃ (122 °F), the flashlight will automatically adjust brightness to avoid overheating.