

🚨 Stay ahead of danger with 10 years of silent, smart protection!
This Meross Carbon Monoxide and Smoke Detector combines dual independent sensors with a 10-year sealed lithium battery, delivering reliable 85dB alarms for both smoke and CO. Certified to EN 14604 & EN 50291 standards, it features a smart chipset with clear LED indicators and a user-friendly test/silence button. Its compact, wireless design allows for quick DIY installation, making it the perfect long-term safety upgrade for any home or office.
























| ASIN | B0D5XH6FJY |
| Batteries | 1 CR123A batteries required. (included) |
| Batteries Required? | Yes |
| Batteries included? | Yes |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | 92,886 in DIY & Tools ( See Top 100 in DIY & Tools ) 17 in Combination Smoke & Carbon Monoxide Detectors |
| Colour | White |
| Customer Reviews | 4.4 4.4 out of 5 stars (73) |
| Date First Available | 14 Sept. 2024 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Included Components | 1 x Combination Smoke and Carbon Monoxide Detectors 1 x Mounting Bracket 1 x Screw Kit 1 x User Manual |
| Item Package Quantity | 1 |
| Item Weight | 135 g |
| Item model number | CS11 |
| Manufacturer | meross |
| Part Number | CS11 |
| Power Source | Battery Powered |
| Product Dimensions | 2.8 x 12 x 12 cm; 135 g |
| Size | 1 Pack (No Wi-Fi) |
| Style | Smoke & CO Detector |
L**K
Recommend
Meross is the best
S**V
Compact and value for the money
Easy to setup. I also tested it in my bullet grill with a lot of smoke, it beeps lodly. This is the cheapest option if you have fireplace to detect carbon and fire at the same time. Too bad it does not connect to Meross app. It has sealed battery which should match the life of the sensor, 10 years. Quality of Meross devices is one of the top. It it very compact, perfect for low ceilings.
A**E
Not smart, but does its job
Good luck slotting the alarm into the holder if you're mounting this on the ceiling! Its slimline design (very neat!) means it can be tricky placing the alarm into its holder. Too early to really give proper feedback, although I was hoping for this to be "smart" (as most things from meross tend to be). I haven't noticed the light that flashes regularly to indicate that the detector is working, which is good or bad depending on your take.
M**.
Would definitely recommend
This product certainly does the job it’s ment for
A**B
easy to fit
they are easy to fit and look great, modern look and smaller than the old ones i had no bothering light and easy to do your monthly check.
G**Y
Slim and sleek dual detector
Firstly, I love the way this detector looks. For some reason aesthetic design is often overlooked with these, yet for something that's mounted on a wall or ceiling in my home I want it to at least look reasonably decent. This Meross dual detector has a wonderfully understated, symmetrical design, and is pretty slim so it doesn't stick out like a sore thumb. Installing the detector was a breeze. It comes with a back plate, fitting screws, and wall plugs, and it's simply a case of marking out the holes to drill through the back plate and, once ready, slotting and rotating the detector into place. I did find attaching the unit to the back plate a little fiddly, until I realise there's a helpful alignment marker on one side. One thing to keep in mind is unlike many units that activate once you attach them to the backplate, this one has a physical switch you need to move to the on position when you install it. Once you do that, the unit happily chirps to let you know it's active. Testing is simple too, just press the body of the unit towards the wall/ceiling and it briefly cycles through the two alarms. So far, I haven't experienced any false activations or issues with the device, and it gives me some peace of mind that it's detecting both smoke and carbon monoxide. Overall, I'm very impressed and happy I can hopefully leave this in place for several years without worrying too much about it apart from a regular test.
M**D
Simple to mount and just test every now and again.
Works perfectly fine. Shame it is not accessible in the Meross app
M**M
Well made
Well made, very easy to install, instructions are clear, looks ok and after a while you don’t even notice it. Happy to find this combo of smoke and carbon detection as usually you’d need to purchase two separate devices. It’s battery operated as well so you don’t need to worry about installing it somewhere you have wires or having to put an extra installation in place.
Trustpilot
2 months ago
2 days ago