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🔥 Stay ahead of danger with Kidde’s 10-year no-fuss smoke detector! 🚨
The Kidde Smoke Detector model 20SD10 offers a decade of reliable fire safety with a built-in 10-year lithium battery, advanced photoelectric sensing to reduce false alarms, and a loud 85dB alarm paired with LED warning lights. Designed for easy installation and weekly self-testing, it meets the latest UL 217 9th Edition and FCC standards, making it a trusted choice for modern homes.












| ASIN | B0CX6PRPGY |
| Alarm | Smoke Detector |
| Best Sellers Rank | #52,828 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #64 in Smoke Alarms |
| Brand | Kidde |
| Built-In Media | Alarm, Mounting Hardware, User Guide |
| Color | White |
| Colour | White |
| Compatible Devices | Standalone (Not Interconnectable) |
| Customer Reviews | 4.0 out of 5 stars 1,411 Reviews |
| Enclosure Material | Plastic |
| Global Trade Identification Number | 00047871328208 |
| Item Dimensions D x W x H | 5.1D x 12.7W x 12.7H centimeters |
| Item Type Name | Smoke Alarm |
| Item Weight | 273 g |
| Item weight | 273 g |
| Manufacturer | Kidde |
| Mfr Part Number | 21032820 |
| Model Number | 20SD10 |
| Number of Items | 1 |
| Operating Humidity | Up to 95% relative humidity (RH), non-condensing |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Product Style | 9th Edition |
| Product dimensions | 5.1D x 12.7W x 12.7H centimeters |
| Sensor Type | Photoelectric |
| Style | 9th Edition |
| UPC | 047871328208 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 100 Degrees Fahrenheit |
P**E
Is it to install any as a 10 year battery life perfect product good reputation
This is an excellent product. The benefit of it is it’s a 10 year battery and it was easy instructions easy to work to get on the ceiling. I use the existing holes in the ceiling so I didn’t have to do much of anything other than replaced the unit on my old Mail unit died so this is a perfect replacement. I would recommend getting it.
A**L
it looks vey good quality
it looks vey good quality
A**R
Simple, Reliable, and Peace of Mind
I bought this smoke alarm mainly because I wanted something low-maintenance, and the 10-year battery was a big selling point. Installation was quick and straightforward it only took a few minutes and came with everything I needed. What I like most is not having to worry about changing batteries all the time. It’s one of those things you install and forget about, but still feel safer knowing it’s there. The alarm itself is loud enough to definitely get your attention, which is exactly what you want in an emergency. The design is pretty basic and doesn’t stand out too much, which I actually prefer. It blends in well with the ceiling and doesn’t look bulky. So far, it’s been working exactly as expected with no issues. Overall, it does what it’s supposed to do without any hassle, and that’s really all I was looking for.
B**N
Don't buy the 10 year battery unit. At 2am you will want to remove the battery!
Don't order the 10 year battery unit! Get a unit with removable batteries. The concept of a 10 year battery seemed great when ordered. I hate having to remember to change the 9 volt battery every year and this product would avoid that. I installed this in my daughter's bedroom in Feb 2026 and in the middle of the night in July 2026 it started going off at 2 am. I tried to silence it by pressing the reset button and it alarmed a minute later. I tried blowing out the unit and resetting, but the 85 dB alarm continued. I tried a hard reset by holding it down for 30 seconds and still the alarm kept going off. At this point everyone in the house was upset (Just make it stop mom!) so I took out the screwdriver and "permanently disabled" the unit. If it was battery powered I could have removed the battery myself. The manufacturer is sending me a replacement unit, but they were very clear I should have called and troubleshot the problem (at 2 am???) with them rather than permanently disabling the unit which was disappointing to hear.
~**~
Works better than the old one I had
Ordered these because 2 of my smoke detectors were disposable. The one is in my hallway outside of kitchen. So far, so good. Cooked a few meals and didn't trigger an false alarm. Especially when using my ninja oven, it gets a little steamy in my kitchen when using this, even with my window and door cracked open.
Trustpilot
3 weeks ago
2 months ago