Безжичен звънец RETLUX RDB 101, 230V + wl. no battery button

A doorbell button with a receiver. Receiver is powered by230V
and the wireless button works completely without batteries. Button
with protection class IP44 has a range of up to 150 meters (in the open).
The receiver allows to select from 51 melodies of ringtones.
It is possible to pair up to 10 buttons with one unit.