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Don’t Just Wait for a Beep. See What’s in Your Air with the 5-in-1 CO & Gas Detector
"I Finally Know What the Detector Is Actually Reading! We already had a traditional CO alarm, but I wanted something that actually showed us a reading instead of just a green light. I like being able to glance at the screen and see the CO level, gas status, temperature, and humidity without checking an app."
Five Functions. One Quick Look.
CO + GAS: Live Safety Readings
TEMP + HUMIDITY: Room Conditions
SOUND + LIGHT: Dual Alarm Warning
BRIGHTNESS + VOLUME: Adjustable Comfort
Happy Customers
Why Families Choose More Real-Time Visibility.
“I like that I can glance at the screen and see the actual CO reading instead of wondering what a green light means. The gas, temperature, and humidity readings are a nice bonus too.”
“We have a gas stove, furnace, and water heater, so I wanted something that gave us more information in one place. Being able to monitor both CO and combustible gas makes this much more useful for our home.”
“I bought this before winter because our furnace runs almost constantly once it gets cold. I like being able to check the CO number on the screen whenever I walk by instead of waiting for an alarm.”
“I originally ordered one for our house, then bought another for my parents. The display is easy to read, and I like that they can check the numbers directly instead of relying on a phone app.”
“With kids in the house, I’m always checking doors, the stove, and everything else before bed. Now I can glance at this too and quickly see the readings without opening an app or pressing through a bunch of settings.”
“We rent, so I didn’t want anything that needed drilling or electrical work. I plugged it into the outlet, followed the setup instructions, and it was simple to add to our existing home-safety setup.”
“This is exactly what I wanted, no account to create, no Wi-Fi setup, and no notification app to keep checking. The information is right there on the screen whenever I want to look at it.”
“We spend a lot of weekends traveling in our RV, so compact safety equipment matters. This takes up very little space, and I like having the readings visible instead of another device that only gives me an indicator light.”
“I mainly bought it for CO and gas monitoring, but I use the temperature and humidity readings more than I expected. It’s convenient having all four readings together on one screen.”
What If Your Detector Told You More Before It Beeped?
SEE CO FROM 0 PPM
Go Beyond “Fine” or “Alarm.”
Instead of communicating only through a status light and alarm, the digital display shows the measured CO concentration numerically from 0 PPM. That gives you ongoing visibility into what the detector is currently sensing.
✓ Live CO Display
✓ PPM Reading
✓ At-a-Glance Screen
✓ Continuous Visibility
See the Reading Before You Hear the Alarm.
FIVE CORE FUNCTIONS IN ONE DEVICE
More Than a CO Detector.
- CARBON MONOXIDE: CO concentration in PPM.
- COMBUSTIBLE GAS: Fuel-gas concentration in %LEL.
- TEMPERATURE: Ambient room temperature.
- HUMIDITY: Relative humidity at a glance.
- SOUND + LIGHT ALARM: Audible and visual warning when an alarm condition occurs.
5-in-1 Visibility From One Screen.
MAKE THE DISPLAY FIT THE ROOM
Bright Enough to Read. Dim Enough to Live With.
A safety monitor does not need to light up your bedroom all night. Use the dedicated controls to adjust screen brightness and alarm volume for different environments.
- BRIGHTNESS: Low · Medium · High
- VOLUME: Adjustable Sound Level
- SELF-TEST: Check alarm operation directly
- STATUS LIGHTS: Power · Fault · Alarm
More Control Without Another App.
PLUG-IN POWER WITH A BACKUP PLAN
Monitoring Shouldn’t End With the Outlet.
The unit plugs into standard AC power for everyday monitoring and includes a compartment for a 9V backup battery. That backup option can help keep the detector operating when wall power is interrupted.
✓ Standard Plug-In Power
✓ 9V Backup Support
✓ Rotating Rear Plug
✓ ≤2W Static Power
9V battery sold separately. Built for Everyday Use and Unexpected Outages.
Recommended by Experts
“Carbon monoxide is impossible to detect with your senses, and homes with fuel-burning equipment may also have combustible-gas risks. A monitor that displays real-time readings can provide useful added visibility, while audible and visual alarms help draw attention when warning conditions are reached. It should always be installed, tested, and maintained according to the manufacturer’s instructions and used alongside any code-required primary alarms.”
Emergency Readiness Where Everyday Life Happens
Gas-Appliance Homes
Useful in homes with furnaces, water heaters, fireplaces, ranges, or other fuel-burning equipment.
Multi-Level Homes
Different floors can have different fuel sources, airflow, and sleeping areas.
Apartments & Rentals
Plug-in installation adds real-time readings without drilling, hardwiring, or permanent wall modifications.
RV & Road Trips
Compact monitoring can be useful in compatible RV or travel setups where generators, propane, or other fuel-burning systems are present.
Vacation Homes
A readable digital monitor adds useful visibility in secondary properties, cabins, or homes that may sit unused between visits.
Smarter Monitoring Without Another Complicated Smart Device
Useful home-safety equipment should be easy to read, simple to adjust, and straightforward to keep running day after day.
NO APP REQUIRED
Everything Is on the Device: No account, Wi-Fi pairing, subscription, or phone dashboard is required for the core monitoring functions.
NIGHT-FRIENDLY DISPLAY
Adjust the Brightness: Lower the screen brightness in bedrooms or hallways and turn it up when you want maximum visibility.
SOUND THAT FITS THE SPACE
Adjustable Volume: Change the volume level for different environments while keeping the alarm system available when needed.
BACKUP POWER SUPPORT
Added Readiness During Outages: Install a compatible 9V battery so the detector has an alternate power source if AC power is interrupted.
5-in-1 Upgraded CO & Gas Detector with Adjustable Brightness & Volume
5-in-1 Upgraded CO & Gas Detector with Adjustable Brightness & Volume
Limited Time: Claim Your 47% Off Today!
- Five Functions. One Easy-to-Read Monitor.
Free & Fast Shipping: Reliable & Trusted Shipping Carrier
- Easy Returns: Full refund or Replacement.
- 30-Day Returns: Try it in your real routine
- 90-Day Warranty: Added product protection
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1. How is 5-in-1 CO & Gas Detector different from my current detector?
A traditional CO alarm may stay quiet until carbon monoxide reaches a defined alarm threshold and depending on the concentration, the alarm may not sound immediately. Until then, all you really know is that the alarm hasn’t gone off.
The 5-in-1 CO & Gas Detector gives you something different: a live CO reading starting from 0 PPM, displayed directly on the screen. Instead of only knowing “normal” or “alarm,” you can actually see the number change and monitor what the detector is sensing in real time. And CO is only part of the picture.
Most homes already have smoke and carbon-monoxide alarms, but a standard CO alarm is not designed to monitor unburned combustible gases such as methane or propane. This 5-in-1 detector monitors carbon monoxide and combustible gas while also displaying temperature and humidity.
2. How many detectors should I have?
For primary CO alarms, the CPSC recommends having coverage on every level of the home and outside sleeping areas.
For additional CO & gas monitors, the right number depends on your home’s size, floor plan, fuel-burning appliances, local requirements, and the placement instructions for the specific device.
As a practical starting point, many homes use at least one monitor per floor, with additional coverage near sleeping areas and other appropriate locations identified in the manufacturer’s instructions.
For example, a typical two-story home with a basement may use around four units to cover the basement, main floor, upper floor, and bedroom area. Smaller apartments may need fewer.
Always follow the exact placement guidance for CO and combustible-gas detection rather than placing a unit directly beside a gas appliance by default.
3. Where should I install it, and at what height?
Use the exact placement instructions supplied with your detector.
Carbon monoxide can mix throughout indoor air, but a combination unit also monitors combustible gases and different gases behave differently. That means the most convenient outlet is not automatically the best location.
For primary CO protection, CPSC recommends alarms on every level of the home and outside sleeping areas. Avoid putting an alarm where furniture or curtains can obstruct it.
Do not place the detector directly next to a stove, furnace, shower, or another source of heat, moisture, or combustion unless the manufacturer specifically instructs you to do so.
4. Will it go off every time I cook or take a hot shower?
It is designed to monitor carbon monoxide and combustible gas not smoke or steam.
However, that does not mean nuisance alarms are impossible. Cooking with gas appliances can produce real combustion gases, and an improperly placed detector may respond to conditions near the appliance. Proper placement matters.
If the alarm sounds or the gas reading rises unexpectedly, do not automatically assume it is a false alarm. Follow the product instructions, ventilate or leave the area when appropriate, and investigate the source safely.
5. How can I tell whether the detector is still working?
Use the device’s Self-Test function according to the instruction manual and regularly check the Power, Fault, and Alarm indicators.
The digital display is useful for showing current readings, but a number on the screen alone is not proof that the sensing element is accurately detecting CO or gas.
Follow the manufacturer’s recommended testing and replacement schedule. For primary CO alarms, CPSC recommends regular testing and purchasing units that meet the current UL 2034 safety standard.
6. Can I use it in an apartment, rental, RV, or cabin?
The plug-in design can make installation convenient in many locations because it does not require drilling or hardwiring.
For apartments and rentals, follow the product placement instructions and continue using any alarms required by your landlord or local building code.
For RVs and campers, use only equipment appropriate for that environment and follow RV-specific safety requirements. CPSC notes that CO alarms are available for recreational vehicles and should be used there.
Do not assume a household plug-in detector automatically replaces an RV-certified CO or propane alarm.
7. Is the 5-in-1 CO & Gas Detector the same as similar detectors sold under other names?
Many plug-in CO and combustible-gas detectors can look nearly identical while using different sensors, internal components, manufacturers, firmware, certifications, and alarm specifications.
Do not assume two products are identical simply because the housing or display looks the same.
Always verify the model number, manufacturer, safety certification, operating specifications, and instructions for the exact unit you purchased.
8. What does “5-in-1” mean?
The five core functions are:
- Carbon monoxide monitoring
- Combustible-gas monitoring
- Temperature display
- Humidity display
- Audible + visual alarm system
The upgraded model also includes adjustable brightness, adjustable volume, self-test controls, and battery-backup support.
9. Does it display CO from 0 PPM?
Yes. The digital CO field starts at 0 PPM and displays the current measured concentration while the device is operating normally.
10. Does it detect combustible gas too?
Yes. The device includes a separate combustible-gas channel displayed as %LEL.
11. Which combustible gases can it monitor?
Product materials identify common fuel gases including natural gas, methane, propane, butane, and coal gas.
12. What does PPM mean?
PPM means parts per million. It is the unit used on the screen for carbon-monoxide concentration.
13. What does %LEL mean?
LEL means Lower Explosive Limit. The %LEL reading shows combustible-gas concentration relative to the concentration at which the gas-air mixture can become ignitable.
14. Does it show temperature and humidity?
Yes. The screen includes both room temperature and relative humidity in addition to the gas readings.
15. Can I adjust the screen brightness?
Yes. The upgraded version includes a dedicated BRIGHTNESS button with multiple brightness levels, making it easier to use in both bright rooms and darker sleeping areas.
16. Can I adjust the alarm volume?
Yes. A dedicated VOLUME control lets you adjust the device’s sound level for different environments. Its maximum alarm output is rated above 85 dB.
17. What does the Self-Test button do?
The Self-Test control activates a functional check of the alarm system and status indicators according to the product instructions. Use it at the intervals recommended in the manual.
18. What do the Power, Fault, and Alarm lights mean?
POWER indicates operating power.
FAULT indicates a detected device issue.
ALARM indicates an active warning condition.
19. Does it need Wi-Fi or an app?
No. The primary monitoring, digital display, and alarm functions operate directly on the device without an app or Wi-Fi connection.
20. Does it have battery backup?
The unit includes a 9V battery compartment to support backup operation when configured according to the product instructions. 9V battery is not included.
21. Will it keep working during a power outage?
If a compatible 9V backup battery has been installed correctly, the backup-power function is designed to provide an alternate power source when wall power is unavailable. Check the battery regularly according to the manual.
22. How difficult is installation?
The plug-in version requires no hardwiring, drilling, or electrician. Plug it into an appropriate outlet and allow the detector to complete its startup/preheating procedure before relying on readings.
23. Can the rear plug rotate?
Yes. The rear plug is designed to rotate so the detector can accommodate different compatible outlet orientations.
24. What comes in the package?
Your package includes:
- 1 × 5-in-1 CO & Gas Detector
- 1 × User Instruction Manual
- 1 × Product Box
- A 9V backup battery is not included.
No remote control is required or included with the confirmed configuration.
25. What is the return policy?
Eligible purchases may be returned within 30 days according to the applicable Return & Refund Policy.
26. What does the warranty cover?
Eligible manufacturing and functional defects are covered by the 90-day product warranty. See the warranty policy for complete terms.