Good morning, Michael12 and everyone!
Thanks, ginny, for the photos, how beautiful they are!
In my house I have a smoke alarm on the ceiling of the bedroom, livingroom, kitchen, bathroom and passage and I insist on testing all of them each month and always keep spare batteries.
I don't smoke .... am life-long anti-brigade - and refuse to allow visitors to do it but I have multiple candles of various sizes and designs in the livingroom along with incense sticks. .
All of my lovely candles/sticks were non-lit when I went to bed then at exactly 1am I shot through the roof with fright/straight out of sleep when all 5 blared out together! The noise was enough to wake the dead!
My direct next door neighbours in their 90s must have heard the alarms and me jumping out of bed in a mad rush!
I did the bedroom one first, then livingroom, passage, kitchen and bathroom but of course I could only do one at a time so had to stand there for what seemed like ages being deafened by the other 4! At least they work!
After managing to switch them all off I tested all the batteries and they were all fine!
I can understand one going off but all five at the same time?!
Weird!