Fenix FD41 360 Rotary Focusing Tactical LED Flashlight - retail price to be announce
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Fenix FD41 360 Rotary Focusing Tactical LED Flashlight - retail price to be announce

by: Fenix

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FAQs about Fenix FD41 Flashlight 

  1. What is the product positioning of the FD41 and who are the target customers?

A: Fenix FD41 is fitted with an optical lens with total reflective coating. Revolving the focusing ring moves the head and the optical lens forward and backward from the LED, thus regulating the focus between spotlight and floodlight. It delivers max output of 900 lumens and beam distance of 340 meters. The tail switch plus side switch, compatibility with 18650 Li-ion as well as the cold-resistant CR123A batteries, makes the FD41 stand out when searching, camping and photographing outdoors. 

  1. What are the key features and benefits of FD41?
  • 360° rotary focusing
  • Cree XP-L HI LED, 340m max throwing distance
  • Optical lens with total reflective coating
  • Tactical tail switch
  • Stainless steel side switch
  1. How does FD41 switch between spotlight and floodlight?

A: Rotate the focusing ring 360 degrees to regulate the lens focus, thus switching between spotlight and floodlight. 

  1. Will FD41 downshift on Turbo to protect the light from    overheating?

A: Yes, it will, with dual protection.

  1. Time protection: when FD41 works on turbo, the light will downshift from Turbo to High after 5 working minutes.
  2. Heat protection: when the light reaches a temperature of 55℃ or above, it will automatically step down by a few lumens to reduce temperature. When the temperature is reduced, the output will gradually return.

Fenix FD41 Specs

LED Brightness Level Waterproof Specifications (Width, Length, Diameter) Weight Battery
 Cree XP-L HI LED 4 output levels IP68, underwater 2m 146mm Length x 25.4mm Body Di x 40mm Head Di 160 g 1 x 18650
ANSI/FSC General Mode
  Turbo High MEd Low Strobe
Output (lumens) 900 350 150 10 900
Runtime 1h 40min* 3h 50min* 10h 15min 150h /
Distance (Spotlight)  340m  218m 141m  37m  /
Distance (Floodlight)   47m  30m  20m  6m  /
Intensity (Spotlight)  29,000cd  12,000cd  5,000cd  350cd  /
Intensity (floodlight) 560cd 230cd 100cd 9cd  /
Impact Resistance (1m)
Waterproof IP68, underwater 2m

 Notice: The above-mentioned parameters (lab-tested by using Fenix 3.6V/3500mAh 18650 rechargeable Li-ion battery) may vary between flashlights, batteries and environment.

*Due to the dual overheat protection; the runtime of Turbo is estimated.

    • Uses Cree XP-L HI LED with a lifespan of 50,000 hours
    • Powered by one 18650 rechargeable Li-ion battery or two CR123A batteries
    • 146mm Length x 25.4mm Body Diameter x 40mm Head Diameter
    • 160 grams (excluding battery)
    • 360°rotary focusing technology
    • Digitally regulated output maintains constant brightness
    • Reverse polarity protection, to protect from improper battery insertion
    • Intelligent overheat protection to avoid high surface temperature
    • Tactical tail switch for momentary on and constant activation
    • Functional side switch for output selection
    • Made of durable aircraft-grade aluminum
    • Premium type Ⅲ hard-anodized anti-abrasive finish
    • High efficiency lens with total reflective coating
    • Length:146 mm
    • Body Diameter: 25.4mm
    • Head Diameter: 40mm
    • Weight: 160 grams excluding battery
    • Lanyard
    • Holster
    • Tactical ring
    • soare o-ring
    • User Manual
    • Warranty Card
  • Operation Instruction
        The tail cap switch is the tactical switch, and the side button switch is the functional switch.

    ON/OFF

    Tap the tactical switch to turn on the light momentarily, release it and the light will go out. Fully press the tactical switch to turn on the light constantly, press once again to switch off the light.

    Output Selection

    With the light on, single clicking the functional switch continually, the light will cycle through Turbo→Low→Med→High.

    Strobe

    With the light on, press and hold the functional switch for 0.5 seconds to activate Strobe; with another single click the light will return to previously used General brightness level.

    Spotlight and Floodlight Adjustment

    The factory default will be total floodlight. Rotate the focusing ring to regulate the lens focus, thus changing between spotlight and floodlight.

    Intelligent Memory Circuit

    The flashlight memorizes the last brightness level used in the General mode. The next time it is turned on, it will recall the previously used General brightness level.

    Dual-protection Function

    Time control: The light will downshift from Turbo to High after 5 working minutes.

    Heat control: The light will accumulate a lot of heat when used at Turbo output level for extended periods. When the light reaches a temperature of 55℃ or above, it will automatically step down by a few lumens to reduce temperature. When the temperature is reduced, the output will gradually return.

    Low-voltage Downshift Function

      When the voltage level drops below the preset level, the flashlight is programmed to downshift to lower brightness levels until Low output is reached. When this happens in Low output mode, the flashlight blinks three times every five minutes to remind you to charge the light or replace the battery. To ensure normal use, the flashlight will not turn off and will work until the over-discharge function stops the battery from working.


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