LED Lenser SEO3 Head Torch - Green

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The SEO3 is the entry model in the SEO series. The recently redesigned SEO3 now features a new LED chip that has boosted performance significantly.

It is also now focusable, incorporating Ledlenser's patented Advanced Focus System, which offers a seamless transition from a broad floodlight to focused long distance beam.

Comes with carabiner clip, washable headband, 3 x AAA batteries.


  • Smart Light Technology (SLT) - offers 3 different light functions (high power, low power, signal)
  • Advanced Focus System - seamless transition from broad floodlight to sharply focused long-distance beam
  • Detachable, washable headband - made from high quality material that absorbs sweat, is comfortable to wear and soft against your skin
  • Tiltable lamp head - so you can angle the light where you need it
  • In-built red LED - Choose between white or red light (the headlamp will automatically switch back on to the last colour used)
  • Transport lockPrevents the light from being switched on by accident - great in a pack
  • Waterproof to IPX6 standard - withstands heavy splashing and rain
  • Convert to rechargeable with SEO rechargeable battery adds incredible versatility to headlamp



Brightness (High) - 100 lumens

Brightness (Low) - 15 lumens

Beam Range (High) - 100m

Beam Range (Low) - 30m

Burn Time (High) - 10 hours

Burn Time (Low) - 40 hours

Water resistance - IPX6

Weight - 105g

Batteries - 3 x AAA (included)

SLT Light Functions - High Power, Low Power, Signal