This is a magnetic plate for the Athom Human Presence Sensor
Human Presence Sensor | athom
What is needed:
2x M3 6mm screws
4x 10x3mm magnets
Magnete Stark, 50 Stück 10 mm x 3 mm Neodym Magnete Extra Stark, Kühlschrankmagnete, Starke Magnete, Kleine Magnete, Whiteboard Magnete, Mini Magnete für Magnettafel, Handwerk, Zuhause, Fotos : Amazon.de: Bürobedarf & Schreibwaren
have fun!