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Additional doorbell transmitter for the HA360MK (sold separately which already comes packaged with one doorbell transmitter) to alert you when someone is at a second door (back door, side door). A total of four (4) doorbell transmitters may work with the HA360MK to accomodate other doors Doorbell transmitter may be used as a portable SOS alert Can be installed in minutes and requires no wires Can also use doorbell transmitter as a portable personal SOS alert
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🇺🇸 Ship from USA · On Agora since 2025
$91.56