Wireless Door Bell
Wireless doorbell - Tador Technologies.
Quick solution: Wireless doorbell without the need for wires!
Large operation distance about 80 meters depending on the type of walls and distances are in the
works automatically without the need for programming (there is a quick programming mode)
Volume Adjustable ring
You can use several internal bells which are connected to one button (three bells + read button)
Internal memory for the bell, even if the unit is disconnected from the power supply.
Call button does not need a battery!