Bluetooth fingerprint &Password Door Lock（Adjustable length）

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MS40 Bluetooth fingerprint &Password Door Lock（Adjustable length）

The MS40 is a length-adjustable smart door lock cylinder, which has a smaller minimum size and a larger maximum size than the MS20 model, allowing it to fit a wider range of door types. Built-in 300mAh battery, fully charged can be used for more than half a year on average. Supports three main unlocking methods, Bluetooth - fingerprint - password, temporary password unlocking, and key unlocking as a means of emergency unlocking.

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Bluetooth fingerprint &Password Door Lock（Adjustable length）

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