Smoke / Carbon monoxide / Gas
Security is also the protection of people against risks that may exist in a house, such as gas or monoxide leaks for example. Detectors allow to warn the inhabitants in time to protect their lives. Many devices are available for this purpose.
![Smoke / Carbon monoxide / Gas](https://cdn1.domadoo.fr/c/133-category_default/smoke-carbon-monoxide-gas.jpg)