USB Rear Cycle Lights with Waterproof Housing

/, Rear Bike Light, Road Bike Lights, USB Bike Light/USB Rear Cycle Lights with Waterproof Housing
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USB Rear Cycle Lights with Waterproof Housing

SG-Ruby2 is one of usb rear cycle lights with many outstanding features:

  • USB rechargeable bike light
  • Bike light combo: white front light + red rear light packed into one blister package
  • Easy installation, totally tool-free, silicone rubber band to fit any handlebar sizes
  • Aluminum body with waterproof design for raining weather
  • Four modes including flashing


Product Description

Waterproof USB Rear Cycle Lights

SG-Ruby2 is improved USB rechargeable rear cycle lights based on SG-Ruby tail light. This updated rear light set includes one white front light and one red rear light to enhance night visibility. Instead of using button battery, the updated SG-Ruby2 uses built-in li-polymer battery and could be charged with our packed usb charging cable. SG-Ruby2 use flexible silicone rubber for mounting, and it can be mounted almost everywhere, handlebar, seat post, bike forks,etc.

usb rear cycle lights

usb rear cycle lights


Mode Settings

  • To turn on/off the light , press the lens for 2 seconds
  • To change modes, click the switch
  • Mode Settings: High-Low-Strobe-Signal

Run Time

  • High: 3Hrs
  • Low: 6Hrs
  • Flash: 20Hrs
  • Signal: 25Hrs

Safety Notes

  • Do not immerse the product in water and make sure that liquids of any kind cannot enter the product. The product is not a toy and does not belong in the hands of children.
  • Do not stare directly into the light beam of this product, not direct the light beam towards people’s eyes. Do not continue using the light if it was damaged or dropped in water.

You are welcome to contact us with following form for more details on rear cycle lights SG-Ruby2:

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Packing Content

  • one white front light
  • one red rear light
  • one usb charging cable
  • one blister packing