Blank module M73 The camera must always be fitted with sensor modules or dummy modules during operation so that the front element is closed and the camera is protected against the ingress of foreign objects, insects and water. Compatibility https://elecena.pl/product/24710857/mx-o-m7sa-blind-blind-module 2023-12-26 https://elecena.pl/product/24710857/mx-o-m7sa-blind-blind-module 2026-09-07