The Smartwares SH4-99567 is a wireless wall-mounted switch operating at FSK 433 MHz. It allows easy control of lighting and devices without the need for additional wiring. Ideal for home automation, this switch provides convenient access to operate lights from different locations within a home. https://elecena.pl/product/28706002/smartwares-sh4-99567-wireless-wall-switch-set-fsk-433-mhz-3-switches 2025-05-16 https://elecena.pl/product/28706002/smartwares-sh4-99567-wireless-wall-switch-set-fsk-433-mhz-3-switches 2026-07-03