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Installation Instruction
1. Choose a proper location for the doorbell. Be sure to consider the average
height of the visitors.
2. Place the iron mounting bracket on the wall and fix it by drilling the screws.
3. Slide down the doorbell and finish the installation.
4. If you do not install two batteries, you should connect the 12 V DC Positive input
and negative input. If a trigger signal is required, for an optional door lock, then
connect the other two terminals.
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The silica gel plug on the rear of the doorbell is used to prevent the screws from
rusting. You should remove this plug before connecting the line. But after the con-
nection, remember to cover it again.