SEO3 Headlamp

Lightweight and affordable headlamp with the battery pack at the front.


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The SEO3 is the entry model in the SEO series. It is also focusable, incorporating Ledlenser’s patented Advanced Focus System, which offers a seamless transition from a broad floodlight to focused long distance beam.

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 resistanceIPX6
Batteries3 x AAA (included)
SLT Light FunctionsHigh Power, Low Power, Signal
Also in the box3 x AAA batteries, carabiner clip, washable headband,
  • 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 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 with 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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