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 Anti-Theft Alarm – Powerful Sound Protection for Your Bike

High-Volume Security for Bicycles, Scooters, and E-Bikes
The Loudspeaker Big Decibel Bicycle Password Type Anti-Theft Alarm is designed to keep your bike safer in busy streets, public parking areas, and shared storage spaces. With its strong audible alarm and password-style operation, it acts as both a deterrent and an early warning system when someone tries to tamper with your bicycle. Ideal for city commuters, students, delivery riders, and e-bike owners, this compact device adds a serious layer of protection to your existing lock setup.

Big Decibel Loudspeaker for Strong Audible Deterrence
At the heart of this alarm is a powerful loudspeaker that emits a high-decibel siren when triggered. The intense sound draws immediate attention, discouraging thieves and alerting people nearby that something is wrong. Whether your bike is parked outside a shop, near a workplace, at a train station, or in an apartment bike area, the alarm’s volume helps ensure suspicious activity doesn’t go unnoticed. This makes it especially useful in noisy urban environments where a quieter alarm might be ignored.

Password-Type Control for Keyless Convenience
Instead of relying on keys that can be lost or duplicated, this anti-theft alarm uses a password-type system that allows you to arm and disarm the device using a code. Once installed on your bicycle frame, handlebar, or seat post area (depending on design), you can quickly activate the alarm when parking and deactivate it when you are ready to ride. The keyless approach is convenient for daily use, and you don’t need to carry extra keys beyond your main bike lock if you don’t want to.

Compact, Lightweight, and Easy to Install
Designed with cyclists in mind, the alarm is typically compact and lightweight, so it won’t add unnecessary bulk to your bike. Installation is straightforward and can usually be done with basic tools or mounting straps, making it suitable for a wide range of bikes including standard bicycles, folding bikes, mountain bikes, and electric bikes. Once fitted, it becomes a discreet part of your bike security setup, ready to sound off when movement or interference is detected, depending on the model’s trigger mechanism.

Why Choose a Loudspeaker Big Decibel Bicycle Password Anti-Theft Alarm
This alarm is an excellent choice for riders who want more than just a physical lock. By combining a loud siren with password-based control, it offers both practical convenience and a strong visual and audible deterrent. It helps protect your investment, reduces the risk of theft, and provides extra peace of mind whenever you park your bicycle, scooter, or e-bike in public spaces.