Protect Your Family From The Silent Killer.

A real-time carbon monoxide and gas detector that shows your levels on a live display. So you can see your family is safe, not just hope a green light means what you think it means.

So a leak that starts while everyone sleeps never gets the hours it needs to turn deadly...

You catch it on the display at the first trace, while there is still all the time in the world to act.

Firefighter holding the Vigil carbon monoxide and gas detector showing a live 000 reading

"We Already Have A Detector" Is Not Protection.

Everyone assumes a detector on the wall means the family is covered.

So you stop thinking about it. But the alarm in most homes was built to meet one thing. The legal minimum. Not to warn you early. To eventually make noise once the air is already dangerous.

It stays silent at the low levels that give kids headaches and make them drowsy. It can wait an hour or more as levels climb. A slow leak overnight can sit under the line all night and never sound at all.

By the time it finally screams, everyone inside has been breathing it for hours. That is not protection. That is a device doing the bare minimum it was built to do.

The families who never woke up were not careless. They had a detector. They tested it. They trusted the green light. It just never showed them the one thing that mattered.

See the real number in your air, from the first trace, while there is still time to act.

Skip to product information

4-in-1 Air & Safety Monitor

4-in-1 Air & Safety Monitor

  • See the real carbon monoxide level in your air, live.
  • Shows the danger from the first trace, not once it's too late.
  • Reads carbon monoxide, gas, temperature and humidity on one screen.
  • One for every room the family sleeps and gathers in.
  • American express payment method American Express
  • Apple pay payment method Apple Pay
  • Diners club payment method Diners Club
  • Discover payment method Discover
  • Google pay payment method Google Pay
  • Master payment method Mastercard
  • Paypal payment method PayPal
  • Shopify pay payment method Shop Pay
  • Visa payment method Visa

You Asked, We Restocked (Again). Limited Supply.

30-Day Money
Back Guarantee
Ships In
1-2 Days
Secure
Checkout

The Vigil 6-in-1 Home Safety Monitor watches the air in your home in real time and shows you the actual readings on a clear HD color display. One compact device covers the threats most homes need several to catch, and it sets up in thirty seconds with no wiring and no app.

A standard alarm gives you a green light and a sound that only comes once levels are already dangerous. Vigil shows you the number the whole way up, from the first trace, so you see danger building while there is still time to act. You stop hoping a light is working and start seeing that your family is safe.

🔴 Carbon Monoxide

See the Silent Killer Coming

For the odorless, invisible gas that can turn deadly while everyone sleeps. Vigil shows the level in real time on the display, long before a standard alarm would ever sound.

  • Live carbon monoxide readings on the HD screen
  • Detection range [insert manufacturer CO ppm range]
  • Warns early, not once levels are already dangerous

🟠 Combustible Gas

Catch the Leak Before the Spark

For a leak from the stove, the furnace, or the gas line. Seen while it is still a reading and not yet a danger.

  • Detects natural and combustible gas buildup
  • Ideal near the kitchen, the laundry, and the furnace
  • Early warning before it ever becomes a fire risk

🟡 Smoke

The Early Warning

For the moment smoke first appears, not once the room is already full of it.

  • Adds smoke detection to the same unit
  • One screen instead of three separate devices

🔵 Temperature and Humidity

The Everyday Readout

Real-time tracking of the conditions that keep a room healthy, at a glance.

  • Live temperature and humidity on the display
  • Spot damp, stuffy, or unsafe conditions early

📺 Clear Display and Reliable Power

  • 2.8 inch HD color display
  • 3 adjustable brightness levels
  • Audible, visual, and on-screen alerts when conditions need attention
  • Built-in rechargeable battery, up to 8 hours of backup power

🔌 Easy to Install and Use

Plug into a standard wall outlet, or use the magnetic mount on compatible metal surfaces. Compact and portable for homes, apartments, kitchens, garages, RVs, campers, and dorms. Recommended installation height above 5 ft.

🌟 Why Families Choose Vigil

  • Six readings, one screen, so nothing gets missed
  • Plug in and protect in 30 seconds, no wiring and no app
  • Shows the real number, not a green light you have to trust
  • Runs continuously on wall power, with battery backup if the power drops
  • An added layer of real-time eyes alongside your existing alarm

What's Included

  • The Vigil 6-in-1 Home Safety Monitor
  • Power plug adapter
  • Magnetic mount adapter
  • User manual

Choose 1 for a small space, 2 to cover the bedrooms and the furnace, or 4 for whole-home peace of mind, one for every level and one for your parents' place too.

🏠 Every Room 🔴 Real-Time CO & Gas 🛡️ 60-Day Guarantee 🚚 Free Shipping on Multipacks

View full details

Thirty seconds to set up. Then it never stops watching.

No wiring. No subscription. Plug it in and it reads the air in real time, on one clear screen.

30 sec
to plug in and protect
4-in-1
sensors on one screen
24/7
real-time live readings
Four sensors, one screen
1
Carbon MonoxideThe silent killer. Odorless, invisible, and deadly in your sleep. Vigil shows the exact level on the display from the very first trace, long before a standard alarm would ever sound.
2
Combustible GasA leak from the stove, the furnace, or the line. Seen on the screen while it is still just a reading and not yet a danger.
3
TemperatureThe live room temperature at a glance, so you always know the conditions your family is in.
4
HumiditySpot damp, stuffy, or unhealthy air early, right alongside your gas readings.

A green light shows you nothing. A number shows you everything.

Here is what happens as carbon monoxide climbs in your home, on a standard green-light alarm versus a screen you can actually read.

A standard green-light alarm
30
PPM
Headaches and drowsiness beginEspecially in kids and the elderly.✕ Silent. Green light on.
50
PPM
Now genuinely dangerousHours of exposure, symptoms building.✕ Still silent. Still just a light.
70
PPM
It finally soundsThe first warning you get is the scream, once levels are already high.✕ Too late to be early.
The sensor quietly fadesNo screen, so you never know it stopped working.✕ You are guessing.
Vigil's live display
30
PPM
Reads "30" on the screenYou see it climbing while the room still feels normal.✓ You already know.
50
PPM
Reads "50," the bar turns amberOpen the windows and clear the room now, not later.✓ Acting, not waiting.
70
PPM
Reads "70," bar red, alarm soundsThe alarm confirms what the number already told you.✓ You saw it coming.
Always shows the numberA reading you can check any time, not a light you have to trust.✓ You can see it working.

A green light asks you to trust it. A live number lets you check it.

You did everything they told you to.

You bought the detector.

You test it every month. It beeps. You feel covered.

You see the little green light and think you are safe.

And it still would not warn you until it was almost too late.

Because none of it shows you the one thing that matters. The real level in your air.

😕
The green-light alarmTells you the unit has power. Not that the air is clean. It stays silent until levels are already dangerous.
😕
"We have a detector"Bought once, then forgotten. Built to the legal minimum, not to warn you early.
😕
The test buttonChecks the speaker and the battery. Never checks the sensor. A dead sensor beeps exactly the same.
😕
Cracking a window and hopingGuesswork you cannot measure. You never actually know if the air is safe.
In their own words

"We had a detector on the wall. I genuinely thought we were covered."

"You cannot see it. You cannot smell it. That is the part that terrifies me."

A standard alarm is built to stay silent. A real-time monitor is built to show you.

A cheap alarm holds its alarm until carbon monoxide is already near 70 ppm, and it is allowed to take an hour or more to sound. By then everyone inside has been breathing it for hours. Vigil shows you the actual number the whole way up, from the first trace, so you see the danger building while there is still time to act. That is the difference between a light you hope is working and a number you can watch.

Why a real-time monitor does what a green-light alarm can't.

 
Vigil
Cheap
alarm
No
detector
Shows the real carbon monoxide level, live
Shows the number from the first trace
Detects combustible gas too
~
Plugs in in 30 seconds, no tools
~
Shows the truth, not just a green light
Backed by a money-back guarantee
~

From families who stopped trusting the green light.

⭐⭐⭐⭐⭐  4.9 average · 11k+ homes protected*
★★★★★

I am the one who handles this in our house. I thought a detector on the wall meant we were fine. Seeing the actual number every night is a completely different kind of peace.

D
Daniel R.
✓ Verified Buyer
★★★★★

My husband said I was being paranoid. Then it picked up a reading near the furnace we never would have known about. He doesn't say that anymore.

S
Sarah M.
✓ Verified Buyer
★★★★★

You cannot see it or smell it. That was the part that kept me up at night. Now I look at the display, see the zero, and actually sleep.

K
Karen T.
✓ Verified Buyer
★★★★★

Bought one for us and one for my parents' place. They are older, gas heat, an old furnace. Worth every cent for that one alone.

M
Michael B.
✓ Verified Buyer
★★★★★

Took about thirty seconds. Plugged it in on the shelf and it was live. No electrician, no drilling, no app to fight with.

J
Jason P.
✓ Verified Buyer
★★★★★

One night the number started climbing while we were watching TV. We aired the house out and called someone. That reading did its job.

L
Laura H.
✓ Verified Buyer

Questions, answered honestly

Most alarms give you a single green light and a sound that only triggers once carbon monoxide is already high. Vigil shows you the actual level in real time on a display, from the first trace, so you see it building instead of waiting for a beep that may come too late.

No, and you should not remove it. Keep your existing alarm as your last line. Vigil is the real-time layer you add on top, so you can see the level rising long before a standard alarm would ever make a sound. Think of it as eyes, not a replacement.

Vigil is a 4-in-1 monitor: carbon monoxide, combustible gas, temperature, and humidity, all on one screen, with live readings you can actually see.

It reads the air continuously and shows small everyday changes on the display without screaming at you. It saves the loud alert for readings that actually matter, so you get the information without the constant false alarms that make people unplug the cheap ones.

About thirty seconds. It plugs straight into a standard outlet, no tools, no electrician, no app. For coverage, most families put one near the sleeping areas and one near the main gas appliance, the furnace, water heater, or stove. Larger homes add one per floor.

Then you are covered by our 60-day money-back guarantee. Try it in your home. If it does not give you more peace of mind, email us within 60 days for a full refund. [Confirm this line matches your Shopify refund policy before launch.]

⭐ Trusted in thousands of homes Real-time carbon monoxide and gas readings 60-Day Money-Back Guarantee Free Shipping Plugs in and protects in 30 seconds