GS55BK蓝牙挂锁
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The GS55BK padlock is a relatively large-sized security padlock. It has good seismic resistance, high strength, high-end appearance, and is dust-proof, water-proof and explosion-proof. It is equipped with a 250mAh battery and can be used for more than half a year on average. The main unlocking method is Bluetooth unlocking, and it also supports key unlocking as an emergency unlocking method.
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