K3 TTLOCK - INSTALLATION DEMO; INSTALL ON THE WALL

Battery Box
4.1.3 Fix the key box with the screws, test the lock with 4pcs
AAA batteries.
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INSTALLATION DEMO
4.1 INSTALL ON THE WALL
4.1.2 Punch the plastic expansion plug into the hole.
According to the usage condition, you can fix the key box on
the wall or hang with the cylindrical lock.
4.1.1Drill 3 holes with the key box
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