Loudspeaker Big Decibel Bicycle Password Type Anti-Theft Alarm

Product Details
Material ABS
Features: high decibel, simple operation, one-touch touch, strong waterproof
Size: 44mm*45mm*51mm
Recommended reason
●Small size
●Beautiful appearance, waterproof design for life
●Easy to install, can be installed on any type of bicycle
●Press and hold the button to make a high-decibel sound

Packing list: alarm x1

Loudspeaker Big Decibel Bicycle Password Type Anti-Theft Alarm

Protect your bike with confidence using this loudspeaker big decibel bicycle password type anti-theft alarm. Designed for cyclists who value security and peace of mind, this compact device combines a powerful siren with password protection to deter thieves and alert you instantly. Whether you park in public spaces, at school, outside the office, or at home, this smart bike alarm helps keep your bicycle much safer from opportunistic theft.

High-Decibel Alarm for Strong Theft Deterrence

The built-in loudspeaker delivers a high-decibel alarm that is extremely difficult to ignore. Once triggered, the alarm emits a sharp, continuous sound that draws attention from people nearby, scaring off potential thieves and discouraging tampering. This big decibel output is ideal for busy streets, parking areas, and apartment complexes where noise quickly attracts notice.

The sensitive detection system can respond to vibration, movement, or interference (depending on the model), helping to protect your bicycle even when you’re not within sight. It’s a practical choice for riders who leave their bikes locked outside for extended periods.

Password Type Security – No Need for Keys

Instead of relying on traditional keys that can be lost or copied, this bicycle alarm uses a password type unlocking system. You simply set a numeric code, and only the correct password can disarm the alarm. This makes it more convenient to use, especially if you share the bike with family members who can all remember the code instead of carrying extra keys.

The password design also reduces the risk of lock picking or key-based tampering, adding an extra layer of security to your existing lock and chain. It works perfectly as a security upgrade alongside your normal bike lock.

Easy Installation and Versatile Use

Lightweight and compact, the alarm is designed for quick installation on most bicycle frames, seat posts, or handlebars, depending on your preference. Typically fixed using brackets, straps, or screws (according to the specific model), it stays firmly attached during daily rides.

This loudspeaker bicycle anti-theft alarm is suitable for:

• City and commuter bikes
  
• Mountain bikes and road bikes
  
• E-bikes and scooters (where compatible)
  

If you want a simple, effective way to boost your bike’s security with a powerful sound alarm and convenient password unlocking, this loudspeaker big decibel bicycle password type anti-theft alarm is an excellent upgrade for everyday cycling protection.