This is a heavy-duty, anti-theft security padlock, likely the Kin Bar or a generic brand stainless steel model with a built-in alarm
.The lock features a motion and shock sensor that triggers a high-intensity alarm, typically around 110dB to 120dB, to deter theft
.It includes a set of keys and is suitable forIt includes a set of keys and is suitable for securing doors, gates, bicycles, or motorcycles.