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Introducing TET, the versatile multi-function marker light designed to provide reliable illumination and marking capabilities in various settings. Whether it's for military training and action, outdoor sports, search and rescue operations, or daily commuting, TET is a compact and practical lighting solution that can be easily integrated into helmets, clothes, bags, and more.

TET is particularly useful when utilizing night vision or other equipment that requires inspection, as it allows for precise location, identification, and marking. With its compact size and multiple mounting options, you can conveniently attach TET wherever needed, ensuring visibility and safety in low-light conditions.

Operating TET is straightforward with the following instructions:

  1. To activate the flashlight, simply short press the button in the shutdown mode.
  2. For constant light, press and hold the button for 2 seconds in the shutdown mode.
  3. While the device is powered on and in any function mode, a short press of the button will allow you to switch between different modes.
  4. To turn off TET, press and hold the button for 2 seconds while the device is powered on.

To ensure safe and proper usage, please consider the following warnings:

  1. TET should not be used in high-temperature environments exceeding 60°C to prevent damage to the device.
  2. Avoid staring directly at the light source for an extended period to prevent potential eye injuries.
  3. The product's structure should not be disassembled or modified, as it may affect its functionality and safety.
  4. Please note that the IR (Infrared) version of TET, called TET Firefly Marker, is restricted under ITAR (International Traffic in Arms Regulations). As a result, it is limited to US orders only, including APO/FPO addresses.

Choose TET for a reliable marker light solution that offers versatility, ease of use, and enhanced visibility in various situations. Whether for professional or recreational purposes, TET is a dependable tool that can provide you with the necessary illumination and marking capabilities when you need them most.


Weight: 23g Size: 45 x 50 x 18mm
Waterproof: IPX8/Up to 10metres
Working temperature: - 20 °C ~ 60 °C
Battery: 1 x CR2450 (Not replaceable)

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