So how does it work? If the detector goes off while [Vivek ... make sure you’ve got a “dumb” smoke alarm as a backup.

It does lack the polished appeal of the X ... batteries every six months regardless of the siren's loudness. Smoke detectors can work effectively for up to 10 years, but you still need to test ...

In fact we all probably have just such a device in our houses, in the form of the ionisation chamber that’s part of most household smoke detectors ... This is still a work in progress and ...