If you want to install a smoke detector that does its job unnoticed and safely, with minimal battery replacement and unnecessary false alarms then you should take a closer look at the 205 series. A product that fits most premises. With 5-year replaceable lithium battery and 2-year product warranty. Smart accessories such as remote control for testing and hush can be mentioned, so now you do not have to stand on chairs or ladders.
The device is radio-connected where configuration in a closed group ensures that other devices within the signal range do not affect the configured group in the event of a test or fire alarm. Therefore, also suitable for larger complexed systems.