< Smart Wireless Doorbell 36 Chords LED Door Bell AC 220-250V Receiver + 2pcs 12V 23A Transmitters 120 - Datacomm Express
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Smart Wireless Doorbell 36 Chords LED Door Bell AC 220-250V Receiver + 2pcs 12V 23A Transmitters 120

Frequency:  315MHz  / 433MHz
Power supply(receiver):  DC/AC
Operating range:  180 METERS(OPEN AREA)
Sound options:  36 Polyphonic melodies
* Plug-in, wire free, UK/European/USA plug available
* 1 million sets of auto-learning codes to avoid interference