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Indoor mounting doorbell without transformer. It features 2 melodies and a volume of 80db. Powered by 4 LR14 batteries (not included) or with a 230V AC/12 DC transformer (not included). Made from a white ABS shell.
Easy installation, ideal for single-family homes, offices, factories, and hotels.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.