Skip to product information
1 of 19
  • 24/7 Air Safety
  • Customer Support
  • Fast Shipping

40 total reviews

FABISENSE 253B 4-in-1 Plug-in CO & Gas Detector | Reverse-Compatible | CO, Gas, Temp & Humidity | Dual Power

FABISENSE 253B 4-in-1 Plug-in CO & Gas Detector | Reverse-Compatible | CO, Gas, Temp & Humidity | Dual Power

Regular price $49.99 USD
Regular price Sale price $49.99 USD
Sale Sold out
Shipping calculated at checkout.

SKU:

Quantity

FABISENSE  4-in-1 Plug-in CO & Gas Detector with Reverse-Compatible Socket

The FABISENSE 253-B delivers 4-in-1 simultaneous monitoring of carbon monoxide, combustible gas, temperature, and humidity, all in a compact plug-in form factor. Its unique reverse-compatible socket design ensures it fits both standard and reverse-polarity outlets without any adapter, making it ideal for homes, RVs, and older properties.

✅ Key Features

  • CO Monitoring (0–1000 ppm): Electrochemical sensor continuously tracks CO levels with instant alarm response when thresholds are exceeded.
  • Combustible Gas Detection: Detects LPG, natural gas, and methane leaks early, before concentrations reach dangerous levels.
  • Dual-Parameter Temp & Humidity: Real-time temperature and humidity readout for complete indoor environment awareness.
  • Reverse-Compatible Socket: Fits both standard and reverse-polarity outlets no adapter needed. Perfect for older homes and RVs.
  • Dual-Mode Power Design: Operates on standard socket power with backup power compatibility for uninterrupted monitoring.
  • Flame-Retardant Housing: Fire-resistant casing for enhanced safety and long-term durability.
  • 85dB+ Audible Alarm: Loud alarm + visual indicators activate immediately when CO or gas exceeds safe limits.
  • Plug-and-Play: No tools, no wiring plug in and monitoring starts instantly.

⚙️ Technical Specifications

  • CO Detection Range: 0–1000 ppm
  • Gas Detection: LPG, Natural Gas, Methane
  • Monitoring: CO + Gas + Temperature + Humidity
  • Socket: Reverse-compatible plug
  • 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-B 4-in-1 CO & Gas Detector
  • 1× User Manual
  • 1× Warranty Card

FABISENSE Sense the Air. Stay Safe.

View full details
Your cart
Product Product subtotal Quantity Price Product subtotal
FABISENSE 253B 4-in-1 Plug-in CO & Gas Detector | Reverse-Compatible | CO, Gas, Temp & Humidity | Dual Power
FABISENSE 253B 4-in-1 Plug-in CO & Gas Detector | Reverse-Compatible | CO, Gas, Temp & Humidity | Dual Power
FABISENSE 253B 4-in-1 Plug-in CO & Gas Detector | Reverse-Compatible | CO, Gas, Temp & Humidity | Dual Power
$49.99/ea
$0.00
$49.99/ea $0.00

  • 5 stars: 40 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
J
James R.
Great protection for my kitchen

I wanted protection from both CO and gas leaks. This detector gives me extra confidence while cooking.

J
James R.
Reliable CO detector for my home

I installed this in my bedroom and it gives me extra peace of mind. The large display makes it easy to check the CO level anytime.

S
Sarah M.
Perfect for home safety

Having CO and combustible gas detection in one device is very convenient. One product covers multiple risks.

S
Sarah M.
Great replacement for old CO alarms

My old detector only showed an alarm sound. This one shows actual readings, temperature, and humidity, which is much more useful.

D
David T.
Excellent gas detector for apartments

The plug-in design makes installation simple, and the display is easy to understand.

D
David T.
Perfect for bedroom safety

The plug-in design makes installation very simple. I just plugged it in and started monitoring.

E
Emily K.
Great for RV and camping use

I use this in my RV because it can monitor both carbon monoxide and gas. It gives me peace of mind while traveling.

E
Emily K.
Clear display and easy to read

The IPS screen is bright and clear. I can see the information easily even from across the room.

M
Michael P.
Large and clear display

The IPS screen is one of my favorite features. I can quickly check readings without getting close.

M
Michael P.
Excellent home safety device

I bought this after upgrading my home safety equipment. It is a great addition alongside smoke detectors.

R
Robert H.
Smart choice for kitchen safety

I installed this near my kitchen area. Knowing it can detect combustible gas and CO is reassuring.

R
Robert H.
Great for garage use

I use this in my garage where carbon monoxide can be a concern. The alarm feature gives me extra confidence.

L
Laura B.
Better than separate alarms

Instead of buying multiple detectors, this combines important safety functions into one device.

L
Laura B.
Simple setup, works perfectly

No complicated installation. Plug it in and it starts monitoring immediately.

C
Chris W.
Easy plug-in installation

Setup took less than a minute. Just plug it in and it starts working.

C
Chris W.
Peace of mind for my family

Having a real-time CO reading helps me feel safer at home, especially at night.

K
Kevin L.
Great for gas appliances

I use this near appliances that use gas. It gives me additional safety awareness.

K
Kevin L.
Modern CO alarm design

The design looks much better than traditional alarms. The screen and information display feel more advanced.

A
Amanda J.
Reliable safety monitor

The display is clear and the alarm function works well. It feels like a quality product.

A
Amanda J.
Useful temperature and humidity display

I like that it provides more environmental information instead of only detecting CO.

D
Daniel S.
Perfect for my garage

I wanted something that could monitor both CO and gas. This works well for my garage area.

D
Daniel S.
Great for apartments

This is perfect for my apartment. Small size, easy installation, and a clear screen.

N
Nicole A.
Peace of mind for my family

Safety is important with gas appliances, and this detector gives me confidence.

N
Nicole A.
Very practical safety product

I wanted something simple but informative. This detector does exactly what I needed.

B
Brian C.
Modern design and useful features

The product looks clean and provides more information than basic alarms.

B
Brian C.
Good quality and reliable

The build feels solid and the display is easy to understand.

R
Rachel W.
Great for rental properties

I installed this in a rental unit to improve safety. The plug-in design makes it convenient.

R
Rachel W.
Better than basic alarms

Being able to see CO levels instead of just waiting for an alarm is a big improvement.

T
Thomas G.
Very easy to use

No complicated settings. The display immediately shows the information I need.

T
Thomas G.
Perfect for home monitoring

I placed one near my living area and feel much more comfortable knowing it is monitoring continuously.

M
Mark S.
Good choice for RV owners

Small enough for travel but provides important CO and gas monitoring.

M
Mark S.
Easy to install anywhere

The plug-in design saves time and avoids complicated mounting.

W
William P.
Helpful temperature and humidity information

I like the extra environmental readings along with the safety monitoring.