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Serfas Thunderbolt USB Taillight

About this product

Product Identifiers

BrandSerfas
MPNUTL6
GTIN0713835022993
UPC0713835022993
eBay Product ID (ePID)691440900

Product Key Features

Bulb TypeLED
ColorBlack
FeaturesHi-Lo Beam, Detachable Light/Flashlight, Rechargeable Batteries, Water Resistant, Flashing, USB
MaterialSilicone
ModelThunderbolt

Dimensions

Item Height6 m
Length"10"""
Item Weight0.22 pounds

Ratings and reviews

4.8
32 product ratings
  • 27 users rated this 5 out of 5 stars
  • 4 users rated this 4 out of 5 stars
  • 0 users rated this 3 out of 5 stars
  • 0 users rated this 2 out of 5 stars
  • 1 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

  • Great item, only one complaint

    I believe cars tend to give me a little more room passing when I use this flasher, anyway it makes me feel safer...;). My only complaint is the battery life on high flash mode does not live up to the advertised time. On "high flash" mode, battery life is about two hours, I think they advertise more than twice that.

    Verified purchase: YesCondition: New

  • Excellent All Around

    The COB LED technology is much better than standard LEDs. The longer straps are a nice feature.

    Verified purchase: YesCondition: New

  • Bicycle tail light

    This is a nice bright tail light for a bicycle. It gives two brightness levels of either steady for flashing light. The built in rechargeable battery will operate this tail light in the brightest flashing mode for a little over three hours.

    Verified purchase: YesCondition: New

  • Great rear light

    This is my second thunderbolt light. I have 1 on each of the bikes I ride most. They last as long as claimed and are very bright.

    Verified purchase: YesCondition: Pre-owned

  • Solid rear facing light. Super bright!

    Seems like a great purchase so far, and is much brighter than I expected! Blinding up close in daylight and feels like solid mounting system & build quality. Bought it for the rear trucks of my electric skateboard. Time will tell if it lasts. I would be happy if it makes 1 year / 100+ rides at this level of effectiveness and price point. Great product!

    Verified purchase: YesCondition: New

  • Very good light but..

    Its very bright and the size is small the problem with it is the battery it does not last long it lasts only 3-4 hrs

    Verified purchase: YesCondition: New

  • Rechargeable internal batteries good for ecology.

    My favorite lights. Inexpensive, practical, easy to use. No batteries to replace...USB cable included.

    Verified purchase: YesCondition: New

  • Bright!

    Very nice light. Good settings, and bright enough for daylight. I use it when it's cloudy and I feel it'll help cars see me, as well as at night.

    Verified purchase: YesCondition: New

  • Good tail light, would recommend.

    four modes, flashing makes me feel safe.

    Verified purchase: YesCondition: New

  • Perfect

    Wonderful product, great lighting in several modes.

    Verified purchase: YesCondition: Pre-owned

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