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(37) 37 total reviews
FABISENSE 253C 4-in-1 Plug-in CO & Smoke Detector | Carbon Monoxide, Smoke, Temperature & Humidity | Dual Power | Flame-Retardant | for Home & Office
FABISENSE 253C 4-in-1 Plug-in CO & Smoke Detector | Carbon Monoxide, Smoke, Temperature & Humidity | Dual Power | Flame-Retardant | for Home & Office
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FABISENSE 253-C 4-in-1 Plug-in CO & Smoke Detector
The FABISENSE 253-C provides 4-in-1 comprehensive safety monitoring, detecting carbon monoxide, smoke, temperature, and humidity simultaneously. With dual-mode power and flame-retardant construction, it's built for reliable, round-the-clock protection in any indoor environment.
✅ Key Features
- CO Monitoring (0–1000 ppm): Electrochemical sensor continuously tracks CO levels and triggers an alarm before concentrations become dangerous.
- Smoke Detection: Optical smoke sensor detects early-stage combustion particles, providing critical early warning before a fire spreads.
- Temperature & Humidity Monitoring: Real-time dual-parameter display for complete indoor air awareness.
- Dual-Mode Power Design: Operates on standard socket power with backup power compatibility; monitoring never stops.
- Flame-Retardant Housing: Fire-resistant casing adds an extra layer of protection and ensures long-term durability.
- 85dB+ Audible Alarm: Loud alarm + visual indicators activate immediately when CO or smoke exceeds safe thresholds.
- Plug-and-Play: Plugs into any standard 110–220V outlet. No tools, no wiring; starts monitoring instantly.
⚙️ Technical Specifications
- CO Detection Range: 0–1000 ppm
- Smoke Detection: Optical sensor
- Monitoring: CO + Smoke + Temperature + Humidity
- Power: AC 110–220V plug-in (dual-mode)
- Housing: Flame-retardant material
- Alarm Level: ≥85 dB
- Certifications: CE / RoHS
📦 What's in the Box
- 1× FABISENSE 253-C 4-in-1 CO & Smoke Detector
- 1× User Manual
- 1× Warranty Card
FABISENSE Sense the Air. Stay Safe.




- 5 stars: 33 (89%)
- 4 stars: 4 (11%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)
A good combination of features in one unit. It works well for what I needed and keeps the setup simple.
Setup was quick and the readings are easy to understand. The buttons took me a minute to get familiar with.
I like the CO and smoke monitoring and the plug-in setup. The temperature and humidity display is a useful extra.
The detector works as expected and the alarm is loud. I only wish the display were a little larger from across the room.
It is convenient to have several room and safety readings together in one compact plug-in unit.
No difficult setup and no confusing controls. It has been easy to use from day one.
I wanted a plug-in CO and smoke monitor with a screen, and this model also gives temperature and humidity.
The unit is compact and easy to place near the bedroom area. The display is clear and the alarm is noticeable.
I appreciate having actual readings on the display instead of only a status light.
We use this in a rental property because setup is easy and the screen is simple for anyone to understand.
The unit sits neatly on the wall outlet and does not require a shelf or tabletop space.
The audible alert is strong, and the display gives useful information without looking cluttered.
CO, smoke, temperature, and humidity in one small device is a useful combination for our home.
We wanted an extra detector in the basement. The plug-in design made installation quick and easy.
I like that it stays plugged in and continuously monitors while also showing the current room conditions.
The screen layout is simple and the readings are clearly labeled. It was easy to figure out from the start.
The direct plug-in design keeps cords off the floor and makes the unit look tidy on the wall.
I prefer devices that do not require an app or complicated setup. This one is very straightforward to use.
The main reason I bought it was the CO and smoke combination. Temperature and humidity are useful bonuses.
We put one in our guest room. The compact plug-in format works well without taking up table space.
The display is clear enough to read from a short distance. I like seeing the room temperature at the same time.
There is very little to learn. Once plugged in, the display is straightforward and the buttons are simple.
I was looking for both CO and smoke detection and liked getting temperature and humidity on the same unit.
We keep it near the main living space. It is easy to glance at the screen and check the room conditions.
A convenient choice for an apartment because it plugs directly into the wall and does not need a separate stand.
The housing feels solid and the overall design looks clean. The display is easy to understand.
The temperature and humidity readings are a nice extra feature on top of the CO and smoke monitoring.
Just plug it in and it is ready to go. Much simpler than installing a separate wired unit.
We use this in a small office. I like that it combines safety monitoring with temperature and humidity readings.
It does not take up much space on the wall and the front display is clear. Setup was straightforward.
The alarm is definitely loud enough to get attention, which is exactly what I wanted in a safety monitor.
I can quickly see the temperature and humidity while knowing the detector is also monitoring CO and smoke.