Music for your ears The wide choice of 60 melodies allows you to choose the melodies you like. In addition, the built-in stereo speaker 40 mm diameter emits a clear and well-balanced sound. up to 115 dB, ideal for helping even the elderly when someone rings their bell. their door. Waterproof index IP55 Mother Nature can be very wild. To resist All weather conditions, the transmitter has a waterproof rating of 100%. high of IP55. Even heavy downpours will not interrupt the operation of this robust transmitter when installed in a remote location. à outside. Memory function Thanks to Thanks to its intelligent memory function, every time you activate the chime, it remembers your last selected melody and the associated volume, even after a power outage . This feature allows you to remember your favorite configuration. Very easy to configure. install Choose between two simple installation methods: either you apply the double-sided adhesive to stick the transmitter button to the button. your wall, or you drill holes and attach the transmitter button with the plugs and screws provided. All mounting accessories are included in the package for worry-free installation.