Loud theft deterrent
A built-in motion sensor triggers a piercing 110dB siren the moment the lock is disturbed, drawing attention and scaring off potential thieves.
- Free shipping
- 14-day easy returns
- Secure checkout
- Quality guaranteed
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Why customers love it
Your valuables, guarded by a piercing 110dB alarm
This motion-activated padlock pairs a traditional keyed lock with a built-in sensor that triggers a loud 110dB siren when disturbed, offering reliable theft deterrence for gates, doors, bicycles, and motorcycles.
- Built-in motion sensor triggers a piercing 110dB siren when the lock is disturbed
- Constructed from corrosion-resistant aluminum alloy to withstand outdoor elements
- Compact, lightweight design makes it easy to carry and store anywhere
- Simple operation: rotate the shackle to switch between alarm and normal modes
- Includes 3 keys for convenient access and replacement
Why choose this alarm padlock
Built for the outdoors
The corrosion-resistant aluminum alloy construction is designed to withstand outdoor elements, keeping your lock reliable in any weather.
Convenient keyed access
Includes 3 keys, so you always have a spare for convenient access or replacement when needed.
Simple mode switching
Rotate the shackle to switch between alarm and normal modes, giving you control over when the siren is active.
Setup
How it works
No electrician, no wiring, no fuss.
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Set the mode
Rotate the shackle to switch between alarm and normal modes, depending on whether you want the siren active.
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Secure your item
Lock the padlock onto your gate, door, bicycle, or motorcycle as you would a standard padlock.
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Alarm activates on disturbance
When the lock is disturbed, the built-in motion sensor triggers a piercing 110dB siren to deter theft.
Specs
The details that matter
Built to last outdoors, season after season.
- Product type
- Padlock
- Alarm volume
- 110dB
- Material
- Aluminum alloy
- Keys included
- 3
- Color options
- Short-Black, Short-Silver, Long-Bronze, Long-Silver, Long-Black, Short-Bronze
Comparison
Why choose this alarm padlock
Not all products in this category are built the same.
Feature
SmartPicksWorld
Typical alternative
Alarm
Built-in motion sensor with 110dB siren
No alarm
Material
Corrosion-resistant aluminum alloy
Typical steel
Modes
Rotating shackle to switch between alarm and normal modes
No mode options
Our worry-free shopping promise
If your order arrives damaged, defective, or not as described, contact us within 14 days and we will make it right with a replacement or refund.
Frequently asked questions
Everything you might want to know before you order.
How loud is the alarm on this padlock?
The built-in motion sensor triggers a piercing 110dB siren when the lock is disturbed, providing a loud deterrent against theft.
What can I use this padlock to secure?
This padlock works as a versatile security solution for gates, doors, bicycles, and motorcycles, making it ideal for securing bikes, garden gates, sheds, or any property needing extra protection.
How many keys are included?
The padlock includes 3 keys for convenient access and replacement, so you always have a spare on hand.
What material is the padlock made from?
It is constructed from corrosion-resistant aluminum alloy, built to withstand outdoor elements and keep your lock reliable in any weather.
How do I switch between alarm and normal modes?
Simply rotate the shackle to switch between alarm and normal modes, giving you easy control over when the siren is active.
Is the padlock easy to carry and store?
Yes, its compact, lightweight design makes it easy to carry and store anywhere, so you can take it with you wherever you go.
Shipping & returns
Shipping
- Delivers to United States (based on your selected country/region).
- Estimated delivery: 3–15 business days after dispatch.
- Shipping cost: Free.
Returns
You can request a return within 14 days after delivery. Standard returns have a €4.00 EUR (approximately $4.66 USD) flat-rate return shipping fee, deducted from your refund. Return shipping is free for items that arrived damaged, defective, or incorrect. Items should be unused and in original packaging where possible. Contact us before sending anything back.