If you are up to a larger project, here is a custom made environmental sensor which includes motion that can be hard-wired into smoke detectors. Quite a few monitoring options, you can PM @iharyadi and purchase the sensors if he has them available.
If you are up to a larger project, here is a custom made environmental sensor which includes motion that can be hard-wired into smoke detectors. Quite a few monitoring options, you can PM @iharyadi and purchase the sensors if he has them available.