Waterproof Siren Alarm Padlock Bronze Silver High Security Lock Outdoor Heavy Duty Anti-Theft Bicycle Lock with 175x10x135mm Dimensions for Gates Sheds Lockers Fences and Toolboxes
Waterproof Siren Alarm Padlock with Anti-Theft Alarm for Outdoor Security

This waterproof siren alarm padlock offers a practical security solution for outdoor and indoor applications where theft or tampering is a concern. Featuring a built-in alarm that triggers when external force touches the lock body, it provides an audible deterrent that draws attention quickly. The lock measures 175mm in height, 10mm in width, and 135mm in depth, making it suitable for standard hasps on gates, sheds, lockers, fences, and toolboxes. Available in bronze or silver finish, it combines a robust metal construction with an electronic alarm system powered by battery. Whether you need to secure a bicycle in a shared rack or protect garden equipment, this padlock offers two operational modes for flexibility.
Features and Construction

The padlock is designed for straightforward setup and use, with a rotatable shackle that controls the alarm mode. Its waterproof housing ensures reliable performance in rain or damp conditions.
Material and Build
The lock body and shackle are constructed from metal, providing a solid physical barrier. The waterproof design protects the internal alarm components from moisture, making it suitable for outdoor exposure without compromising function.
Size and Practical Fit
With dimensions of 175mm in height, 10mm in width, and 135mm in depth, this padlock fits standard hasps and locking loops found on sheds, gates, and lockers. Its compact profile allows it to be used in tight spaces while still providing adequate physical security.
Uses and Placement

This alarm padlock is versatile enough for a range of security needs, from personal storage to property protection. The two-mode system lets you choose between active burglar deterrence and quiet convenience.
Event or Professional Use
For temporary storage at events, construction sites, or market stalls, the alarm mode adds a layer of protection for tools, merchandise, or equipment. The loud siren can alert nearby staff or security personnel to unauthorised handling.
Everyday Home Use
Around the home, this padlock secures garden sheds, toolboxes, fence gates, and bicycle racks. In normal mode, it operates like a standard padlock without audible alerts, ideal for low-risk areas or when quiet is needed.
Benefits and Buying Value

This padlock offers a simple but effective upgrade over basic mechanical locks by adding an audible deterrent. It is easy to switch between modes and requires no professional installation.
Reuse and Low Maintenance
The padlock is reusable and requires only periodic battery replacement. Its waterproof construction minimises maintenance in outdoor conditions, and the two operating modes extend its usability across different scenarios.
Why Choose This Product
If you need a security lock that provides both physical protection and a loud alarm to scare off intruders, this padlock delivers without complicated wiring or smartphone apps. Its straightforward design and durable metal build make it a practical, cost-effective choice for home and workshop security.



