Lin Qiu Jin Moon House Writers call buttons products include base area accommodating chamber, rang the Settings button the accommodating chamber, a cap on the base of the liner, and the corresponding ring the bell on the liner in a through hole provided at the upper lid of a lid with a hole in the liner, the doorbell rang and between the liner and the cover plate form a receiving slot, a rotatable receiving groove disposed on the exposed parts and the cover through hole on a rotation up to an appropriate position on the backing plate and the through holes corresponding to the through holes provided on said another outwardly a handle; since rang disposed within the base of the shock-proof Even if there is a strong external impact damage to the electric ring the bell can not guarantee their safety, when in use, turn the handle, so that through-hole vias and linings on the corresponding finger in the end can be inserted into the base by move the button to let the people inside know, time to open the closed door.
Comments Important: the doorbell rang Information alert false winning Sina Inc. All rights reserved
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