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This did create a significant amount of smoke, and the smoke detector is placed near the entry to the kitchen. One time was because I burned something in the oven. I was a little disappointed that this set off the alarm, but I have had similar experiences with other alarms. The other time was after I took what must have been a particularly lengthy, hot shower. My experience so far with this smoke detector (which I've owned for about 3 months): It has gone off twice. Although an inconvenience, I was glad that it went off. I think it is merely poor placement on my part (so close to the bathroom when I don't have an exhaust fan).Overall, I think it works fine. There is a button on the face of the detector to quickly silence it when this happens.
The only way it would fit was if the heads of the battery contacted nothing. Worse then worthless. I have to return it.I purchased First Alert SA710CN Smoke Alarm at the same time and had no trouble at all installing it at all.However with this First Alert SA305CN the battery did not properly fit into the slot. And to make it worse, there was nothing that I could see on the case which indicated a + or a -.So pass this one by. I struggled with it to make it fit.
I bought these for my daughter, two to them, they came with everything needed and were easy to install. Ask me in a year or two and I'll tell you how they are doing.
I replaced several of my old smoke detectors with the First Alert SA305CN, and it was quick and easy. Even so, it saves a lot of trouble of having to change the alkaline 9V every year, especially if you have it mounted on very high ceilings. These are "no frills" basic detectors, but the lithium 9V is a nice addition. While the lithium batteries will last much longer than alkalines, don't trust them to last 10 years.
They seem to work ok. I bought these smoke detectors because they have the lithium batteries included. I like the idea of not having to change out the batteries for long periods of time. Haven't had to really use them yet.knock on wood. I would have gone with the type you wire into your home electricity, but the locations I needed to place the detectors were not conducive to hard-wiring.
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