Alarm lock keep your bike, garage door, garden shed, side gate, tool box or locker or anything you desire secure with this heavy duty 110db siren alarm padlock. This innovative u-lock comes equipped with two settings armed and unarmed so you can be alerted by a 105 - 110 db alarm when the lock is tampered with. Basically double the protection! The heavy duty siren alarm padlock has a body made of extra strong cast steel high-grade steel shackle. It is resistant to corrosion bad weather physical destroy amp; Waterproof combines locking function with alarming function built-in movement triggers the alarm which can emit a loud sound when the lock is hit or shaken specifications High-tech integrated circuit with a digital sensor chip can be set to two states: mechanical lock and alarm low false alarm rate low power consumption can be used on doors windows bicycles containers motor bikes tricycles pull gates garden gates etc. Corrosion resistant waterproof and durable to use. Powered by six button batteries supplied with keys convenient to use note When you place the shackle with the groove into lock near the key port then the lock comes into the alarming state. When the shackle with the groove is placed away from the key port the lock is just in the mechanical lock state

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