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Features

Built-in 120dB anti-theft security alarm is extremely loud. When activated, the high-frequency sound can transmit up to 300 meters, making any illegal attempt to cut through the lock futile. IP67 waterproof and rust resistance, ensuring its functionality in all weathers.
12mm reinforced hardened steel chain Double-locking mechanism for highest security
Alloy steel lock body 3 disc tumbler style stainless steel key
3640g