Eltako Wireless 2- or 4-way pushbutton 45 x 45 mm Belgium, without frame, legrand white, without battery and wire FT4BL-lw

Wireless 2- or 4-way pushbutton 45 x 45 mm Belgium, legrand white. Generates the power for wireless telegrams itself when the button is pressed, therefore there is no connecting wire and no standby loss.