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Knog Boomer Rechargeable USB Light

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Knog Boomer Rechargeable USB Light

Stay noticed with the stylish and compact Boomer Rear Light. Knog's new 2011 design uses a single high powered red LED, plus an integrated lens to deliver a head-turning 30 Lumens, and keep going long after the sun sets. Super-slim flexible silicone body and integrated strap mounts to seatposts, seatstays, and more.

  • Recharge via USB
  • Waterproof
  • Superslim, flexible silicone body
  • Integrated lens and housing
  • Hold button down to "turn off" in any mode
  • Low-battery indicator in lens
  • Smart battery saving storage mode

  • 1. Strobe Flash
  • 2. Strobe Pulse
  • 3. Random Strobe
  • 4. Steady
  • 5. Storage Mode*

Storage Mode*
The battery discharge feature has been integrated into the electronics to optimize battery longevity. This feature should be activated when the light will not be used for an extended period. (i.e. more than a month) To activate mode simply hold down power button for 5 seconds after a full charge cycle. The LED will be active until the battery reaches the correct discharge level to which the LED will turn off and the unit will be safe for storage. - If unit is stored for more than 3 months, repeat battery discharge feature - Recharge battery to full before use after storage mode.

Specs Front:
  • Burn Time: up to 3.5hrs (steady), up to 12hrs (flashing)
  • Dimensions: 62 x 33 x 30 mm
  • Weight: 42g
  • Battery: Rechargeable Lithium-Ion polymer
  • Led Specs: Super-bright HIGH powered white LED
  • LED Light Output: up to 55 Lumens

Specs Rear:
  • Burn Time: up to 3.5hrs (steady), up to 12hrs (flashing)
  • Dimensions: 68 x 41 x 30 mm
  • Weight: 46g
  • Battery: Rechargeable Lithium-Ion polymer
  • LED Specs: Super-bright HIGH powered central red LED + 2 High powered peripheral flash LEDs
  • LED Light Output: up to 15 Lumens
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Best Bang for Buck - Apr 16, 2014

1 2 3 4 5
5 out of 5 stars
Brooklyn, NY

I use this for my tail light. It's the best option out there: -real easy to put on and take off -rechargeable, so you offset the price of any battery-powered option -has a great annoying blink that is sure to be noticed and keep you safe

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