Easy to Install -- Plug the mini receiver into an outlet and then use the provided accessories to secure the transmitter to the wall. Included Components 2 x plug-in receivers, 1 x push button, 1 x door sign, 1 x 12V23A battery, 1 x screwdriver, 4 x dowels, 2 x double-sided adhesive tape, 1 x instruction manual.
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