4 In 1 Anti-theft Bike Security Alarm

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Anti-theft system that provides a full range protection for bicycles

This multi-functional 4 In 1 Anti-theft Bike Security Alarm is integrated with alarm, tail light, and bell. A good bike security alarm system combination to protect your bicycles from theft. It has a bell function that automatically produces sound when there's a vibration detected. Equipped with wireless anti-theft alarm remote control system that provides a stable and accurate anti-theft bike security.

Cycling LED Bicycle Taillight


  • Bicycle anti-theft device is sensitive to vibrations when locked.
  • Utilizes vibration sensor for detection.
  • Attached with a remote control for added convenience.
  • With convenient clip mount to easily install the security alarm on the bicycle handlebar.
  • It has a durable, solid casing for long-lasting use.


  • When there is a certain vibration detected, the alarm instantly produces super loud alert sound to scare the thief away.
  • This anti-theft security alarm protects bicycle from crafty thefts.
  • Easy and convenient to install on bicycles.
  • Can cover up to 10-50m(Open distance) remote control distance.


  1. Do not place the security alarm for bike next to the ear. Press the alarm button at least 2 meters away from the ears to avoid hearing damage. 
  2. Keep the device away from children's reach.
  3. Keep the device away from fire.  
  4. Please close charging port silicone cover when testing in water.

Cycling LED Bicycle Alarm


1. Due to manual measurements, please allow 1-3 deviation before purchase.
2. Computer screens and display settings difference may affect the actual color of the item. Thank you for your understanding!


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