LedLenser SEO3

Performance Max Min
Brightness 100 lumens 15 lumens
Beam Distance 100m 30m
Burning Life 10 hours 40 hours
Waterproof Rating IPX6 IPX6

LedLenser SEO3


Lighting LedLenser

Led Lenser SEO3

Ideal entry-level headlamp for the outdoors. 

This easy to operate lamp uses three high-quality white LEDs with up to 100 lumen. In the energy saving setting, it achieves an impressive lighting duration of around 40 hours at 15 lumen. 

The head is compact and can be swiveled, it is also so light that you barely notice you are wearing it. Like all LedLenser SEO headlamps, it has a switch lock to prevent it from accidentally switching on.  In order to maintain night vision, there is a red light function available. 

The Ledlenser SEO 3 is a high-quality headlamp that offers perfect performance for most outdoor users.


  • Advanced Focus System (AFS) - focusable between wide beam and spotlight
  • Smart Light Technology (SLT) - power | low power | signal modes
  • Transport Lock - prevent accidental switching on
  • Swivelling head
  • Carbiner Hook for on-the-go carrying
  • Exchangeable & washable headband
  • Non-glare Red LED light - for night vision & nature spotting
  • High comfort, low weight

Technical Specs

  • 1 x High End Power LED + 1 High End Red LED
  • Brightness: 100 lumens (high), 15 lumens (low)
  • Waterproof IPX6 Grade
  • Lighting Range : 30 - 100m
  • Burn time: 10 - 40 hours
  • 3 x AAA batteries (included)
  • Carrying pouch provided
  • 5 years warranty
  • Size : 48.6 x 20.8 mm
  • Available Color: Orange
  • Weight: 105g