SEO5 Headlamp

Impressive brightness and range with Ledlenser’s Advanced Focus System.


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The SEO5 is a step up from the SEO3 in terms of brightness and range. It is lightweight at only 105 grams with a front battery pack that fits snugly against your forehead. Featuring Ledlenser’s patented Advanced Focus System, it offers a seamless transition from broad floodlight to focused long-distance beam.

Like all SEO models, the SEO5 offers the perfect combination of comfort and performance.

Brightness (High)180 lumens
Brightness (Low)20 lumens
Beam Range (High)120m
Beam Range (Low)40m
Burn Time (High)7 hours
Burn Time (Low)25 hours
Water resistanceIPX6
Batteries3 x AAA (included)
SLT Light FunctionsHigh Power, Dim Memory 15% – 100%, Signal
Also in the boxCarabiner clip, washable headband, 3 x AAA batteries
  • Smart Light Technology (SLT)
    Offers 3 different light functions (high power, dim memory 15% – 100%, 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 lock
    Prevents the light from being switched on by accident – great in a pack.
  • Waterproof to IPX6 standard
    Withstands heavy splashing and rain.
  • Convert to rechargeable using SEO rechargeable battery
    Adds incredible versatility to headlamp.



This product is covered by an industry-leading 2-year standard warranty, which can be extended to 7 years by registering your product. This warranty does not cover abuse, alteration, theft, loss, or unauthorised and/or unreasonable use of your Ledlenser product. This warranty does not cover sheaths, accessories, imprinting, or colour finishes.

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