sb components Relay 4 Zero 3V 4 Channel Relay Shield for Raspberry Pi, Relay HAT Expansion Relay Board for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero and Zero W Power Relay Module for Raspberry Pi: Amazon.de:
KS0212 keyestudio RPI 4-channel Relay Shield - Keyestudio Wiki
Carte de module de chapeau de relais à 4 canaux pour Raspberry Pi 3B / 3B + (Plus)
Module HAT 4 relais PiRelay 4 SKU06670 SB Components - Cartes d'extension, HATs et modules | GO TRONIC
Toggling lights with DockerPi 4 Channel Relay - NotEnoughTech