140536 - ERATO AC wireless doorbell, 230V with learning system 4-step volume control, 50-80 dB sound level, 32 ringtones to choose from
Wireless bell, range in the open area up to 100 m, waterproof button, radio transmission (frequency 433MHz), 4-step volume control, 50-80 dB sound level, 32 ringtones to choose from, three operating modes: audio/optical/optical and audio indication, light function, number of receivers and buttons cooperating with each other can be increased as needed, learning system (automatic login), no installation required.
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