SOFIRN SK40 Tactical Flashlight User Manual

SOFIRN SK40 Tactical Flashlight

INTRODUCTION

The SK40 is a powerful tactical flashlight that can reach up to 580m, with clicky tail switch and side e-switch, having both duty mode and tactical mode to meet your different needs.

ANSI/NEMA FL1 Chart

Specifications

• Emitter: 1 high-powered, good thrower LED
• Driver: boost driver
• Battery Option: 1×21700 battery
• Working Voltage: 3.0V-4.2V
• Mode Operation: side e-switch+tail switch
• USB Type-C charging
• Material: AL6061-T6 aluminium alloy
• Water Resistance: IP68 waterproof
• Size: 40mm*146.5mm
• Weight: 132g(without battery).
  Reverse polarity protection from improper battery installation.

The temperature protection system activates automatically if the temperature exceeds 55°C. This system reduces the output current to maintain an optimal outer temperature, ensuring a better using experience.

General Operation

Eco Mode
Click the tail switch when pressing the side switch to turn the Eco mode on, and next clicks can cycle through low/medium/high(when in duty mode) or turbo/medium(when in tactical mode).

Note:
Long pressing from on can change the different modes (normal mode and tactical mode). Half press the tail switch to can turn the light on, release to turn off. Double half press (normal mode) to get turbo, release to turn off. Double half press (tactical mode) to get strobe, release to turn off.

Battery Level Indicator

After turning on the SK40, the indicator will display the voltage for 5 seconds.

• Green Constant On = 70%-100%
• Red Constant On = 30%-70%
• Red Flash = 0-30%

Light Indicator When Charging

• Red = Charging
• Green = Fully Charged
  SK40 offers a USB Type-C charging port for convenient charging. Please connect it with the included charging cable and use a USB power adapter (not included) with 5V/2A (max) output.

Contact

Please contact us for a refund or replacement if your flashlight has a problem within the warranty period.

Sofirn Limited:

• Tel:
  +86-755-23440047
• Fax:
  +86-755-23440141
• Web:
  www.sofirnlight.com
  www.sofirn.cn
  sofirn.aliexpress.com
• E-mail:
  • us@sofirnlight.com
  • eu@sofirnlight.com
  • service@sofirnlight.com
  • wholesale@sofirn.cn
  • yx003@sofirn.cn
• Please contact us if you have any questions.
• If your product is defective, please contact us for a replacement within the warranty period.

Warnings

• Do not look directly into the flashlight beam.
• Keep out of reach of children.
• Ensure the battery is installed correctly to avoid damage or leakage.
• Do not expose the flashlight to water or extreme temperatures for prolonged periods.
• Do not use rechargeable batteries that are not compatible with the flashlight.
• Always remove the batteries if the flashlight will not be used for an extended period.
• Do not point the flashlight at eyes or face.
• Do not expose the flashlight to water or extreme temperatures for prolonged periods.
• Keep the lens clean and free of debris to ensure proper light output.

FAQ

• How do I change between Eco mode, duty mode, and tactical mode?
  To switch between modes, long-press from on to toggle between normal and tactical modes. In Eco mode, click the tail switch when pressing the side switch. Subsequent clicks cycle through different modes based on the selected mode.
• How can I know the battery level of my SK40?
  After turning on the flashlight, the battery level indicator will display the voltage for 5 seconds. Green constant light indicates a high level (70%-100%), red constant light indicates a medium level (30%-70%), and red flashing indicates a low level (0-30%).