Nebo O2 Beam™ 420 Lumen 4x Zoom Flashlight

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Nebo O2 Beam™ 420 Lumen 4x Zoom Flashlight

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Nebo O2 Beam 420 Lumen Flashlight.  The O2 Beam is an inch flashlight that features a high-power LED beam, producing 420 lumens pure light. Nebo's patented O2 Technology intensifies the light beam beyond the capabilities of your run-of-the-mill standard 400-lumen light.  The O2 Technology allows this flashlight to perform on the level of one twice as powerful. Your regular 400-lumen light will illuminate a viewing distance of roughly 250 yards; the O2 Beam illuminates up to 500 yards. The convex lens creates a fully focused, highly concentrated beam of light, eliminating any dull or dark spots that you get with traditional light bulbs.

The O2 has 5 lighting modes: 100% (420 lumens,) 50% (210 lumens,) 10% (42 lumens,) beacon mode (420 lumens) and defensive strobe mode (420 lumens.)

The O2 Beam has a smart dial so you can easily choose a lighting mode while flashlight is on or off. The anodized aircraft-grade aluminum body has integrated heat sinks to disperse heat when used heavily.  

Behind the lens is a glow-in-the-dark component called Lo-Light. Lo-Light provides a light source that uses no battery power.  The Lo-Light charges when the flashlight is on and with natural light.  The button on the rear is also glow-in-the-dark so you can easily find it.  This button will also glow red when the battery is less than 20%.


  • Settings – 420 lumens / 200 lumens / 85 lumens / Beacon / Defensive Strobe
  • Run Time
    • 100% - 20 Hours / Viewing Distance 500 meters
    • 50% - 55 Hours / Viewing Distance 240 meters
    • 10% - 100 Hours / Viewing Distance 60 meters
    • Beacon - 200 Hours / Viewing Distance 500 meters
    • Defensive Strobe - 70 Hours / Viewing Distance 500 meters
  • Length – 8”
  • Head Diameter – 2.25”
  • Barrel Diameter – 1.5”
  • Weight – 1.05 lbs.
  • Batteries – 4 AA batteries (included)


  • One high-power LED outputs 420 lumens of light (Bulb rated for 110,000+ hours of life)
  • Smart Select Dial changes light modes with ease
  • 4x adjustable zoom changes the light beam from flood light to spot light
  • O2 technology intensifies the light beam to produce results beyond the capabilities of a standard 400 lumen light
  • Anodized aircraft-grade aluminum water-resistant body design
  • Aggressive self-defense face
  • Rear glow-in-the-dark button
  • LO-LIGHT is an internal glow-in-the-dark component located behind the lens to provide a secondary light source, without using any battery life.
  • Battery indicator caused the button to glow red when battery life is less than 20%
  • Heat-sink bezel design disperses heat from the bezel during extended periods of use
  • Lanyard
  • Carrying case
One year warranty against defects in materials and workmanship. Warranty does not cover normal wear and tear.