The Built-in Movement Sensor Security Siren Alarm Lock is designed to provide enhanced anti-theft protection. Made from high-quality aluminum alloy, it is corrosion-resistant, waterproof, and durable for both indoor and outdoor use.
This lock features a built-in motion sensor alarm that triggers a loud 110dB siren when tampered with, instantly alerting you and scaring off thieves. The compact and lightweight design makes it easy to carry, while the keyed unlocking system ensures reliability without the need for charging.
With dual modes (Alarm & Normal), you can easily switch between alarm protection and standard lock use depending on your needs.
Features
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🔐 2-in-1 design: Lock + alarm security
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🔊 110dB loud alarm for strong anti-theft protection
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🛡️ Aluminum alloy body – waterproof & corrosion-resistant
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📦 Compact & portable mini design
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🔑 Comes with 3 keys
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🔋 Built-in batteries (no extra batteries required)
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🚲 Suitable for motorcycles, bicycles, doors & windows
Operation Modes
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Alarm Mode:
Rotate the lock beam 180°, press down until you hear a “di” sound. Any vibration or force will trigger the alarm. -
Normal Mode:
Rotate the lock beam 180° in reverse and press down again. No alarm will sound in this mode.
Specifications
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Condition: 100% Brand New
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Material: Aluminum Alloy
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Unlock Method: Key
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Alarm Volume: 110dB
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Colors: Black, Silver, Bronze
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Styles: Short & Long
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Application: Doors, Windows, Bicycles, Motorcycles
Package Includes
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1 × Alarm Lock
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3 × Keys




































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