2 to 5 business days
It combines the locking function with an alarming function. A built-in movement-triggered alarm can emit a loud sound when the lock is hit or shaken. It adopts MCU core procedures, high-tech integrated circuits, and digital sensor chips. It 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, motorbikes, tricycles, pull gates, gardens, etc. Corrosion-resistant, waterproof, and durable to use. Powered by six-button batteries and supplied with three keys, it is convenient to use.
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