ResetSignal™ Frequency Generator
ResetSignal™ Frequency Generator
Couldn't load pickup availability
How it works
How it works
Just plug SafeNest™ Ultra into any wall outlet and it immediately starts protecting your home. After a short automatic calibration, it continuously monitors your air for carbon monoxide and gas leaks while showing live readings on the screen. You can see at a glance that everything is safe. If anything dangerous appears, the red light flashes and the loud alarm sounds instantly to alert you.
Specifications
Specifications
🛡️ SafeNest™ Ultra 4-in-1 Detector
Real Protection. Real Awareness. Real Peace of Mind for Your Home.
🌟 Main Features
🔥 4-in-1 Complete Air Protection
Monitors carbon monoxide, combustible gas, temperature, and humidity in real time, covering all the hidden dangers in one device.
🔊 85dB Emergency Alarm System
A powerful alarm with flashing red light instantly warns you before danger becomes an emergency.
📊 HD Real-Time Display
Large, easy-to-read screen shows CO levels, gas concentration, temperature, humidity, and alarm status at a glance.
⚡ Plug-In Reliability
Works with all US standard outlets (110–220V) for continuous protection without battery failures or maintenance.
🧠 Dual Independent Sensors (UL Standard)
Built-in CO and combustible gas sensors work independently for higher accuracy and faster detection.
🏠 All-Room Compatibility
Ideal for bedrooms, kitchens, living rooms, basements, RVs, hotels, and even camping setups with power access.
📦 Specifications & Technical Details
Power Supply: Plug-in (AC 110V–220V)
Battery Required: ❌ No batteries needed
Static Power Consumption: ≤2W
Alarm Power Consumption: ≤3W
Carbon Monoxide Detection:
- Detection Range: 0–2000 ppm
- Alarm Trigger: ≥150 ppm
Gas Detection:
- Detection Range: 0–10% LEL
- Alarm Trigger: 5% LEL
- Natural Gas Alarm Concentration: >2500 ppm
Alarm Output:
- Sound Level: ≥85 dB
- Alarm Indication: Flashing red light + sound
Sensor Life Span:
- 2 years
Preheating Time:
- 180 seconds initial calibration
Temperature Display:
- Range: 1°F – 176°F (±4°F accuracy)
Humidity Display:
- Range: 0% – 99% RH (±5% accuracy)
Material:
- High-strength ABS housing
Operating Conditions:
- Temperature: -10°C to 55°C
- Humidity: ≤95% RH (non-condensing)
Item Size:
- 119 × 52 × 49 mm (4.68 × 2.04 × 1.93 in)
Item Weight:
- 84 g (2.96 oz)
📦 What’s in the Box
- 1 × SafeNest™ Ultra 4-in-1 Detector
- 1 × User Manual (English)
- 1 × Protective Paper Box
✨ SafeNest™ Ultra isn’t just a detector — it’s responsibility made visible.
It gives you confidence.
It gives you certainty.
And it lets you sleep knowing you’ve done everything possible to protect the people who matter most.
Free Shipping
Free Shipping
We offer Free Shipping worldwide, you can expect your order on average about 8-12 days, but always this depends on where the is. You can learn more in our shipping policy.
Be Protected or Your Money Back
Be Protected or Your Money Back
We stand by the quality of our products, and we want all of our customers to be satisfied with their purchase.
Try SafeNest™ Ultra risk-free. If for any reason you don’t feel safer, more certain, and more at ease within 30 days — we’ll refund every cent. Because you deserve to feel safe and supported in every way.
ResetSignal™ Frequency Generator
See it in real use
100K+ Happy Customers
Excellent 4.8
Why Thousands Love SafeNest™
What if something happened… and you knew you could have prevented it?
Most families already have something in place, but deep down there’s still doubt. Would you really be warned in time? Would it catch both gas and carbon monoxide? Living with that uncertainty is heavy, especially when the people you love are asleep and trusting you.
SafeNest™ Ultra removes that doubt by watching your air 24/7 and alerting you the moment danger appears.
Imagine closing your eyes knowing you truly did everything to protect them!
Not hoping, Not guessing.
Just knowing your home is being monitored, your air is safe, and you’ll be alerted instantly if something changes!
SafeNest™ Ultra gives you that calm certainty with one simple device that works quietly in the background, every day and night.
Because being responsible means never leaving their safety to chance!
SafeNest™ Ultra combines 4-in-1 protection into one dependable system with clear live readings and a powerful alarm. No juggling devices, No second-guessing. Just real protection where it matters most. Protect your home the right way. Choose SafeNest™ Ultra today.
Val, 52
Verified buyer
Finally something I can actually trust for my family’s safety.
Daniel
Verified buyer
“Just installed it and I already feel calmer at night.”
Laura Harry
Verified buyer
“Didn’t even test it yet, but I already have peace of mind.”
Mike
Verified buyer
“So simple to use, exactly what I wanted.”
Val, 52
Verified buyer
Finally something I can actually trust for my family’s safety.
Daniel
Verified buyer
“Just installed it and I already feel calmer at night.”
Laura Harry
Verified buyer
“Didn’t even test it yet, but I already have peace of mind.”
Mike
Verified buyer
“So simple to use, exactly what I wanted.”
James
Verified buyer
“Feels solid and reliable. I trust this in my home.”
Amanda
Verified buyer
“I finally feel like I did the right thing for my family.”
Robert
Verified buyer
“Didn’t realize how much stress I had until this was installed.”
Nicolee
Verified buyer
“Love seeing the screen. It reassures me everything is okay.”
James
Verified buyer
“Feels solid and reliable. I trust this in my home.”
Amanda
Verified buyer
“I finally feel like I did the right thing for my family.”
Robert
Verified buyer
“Didn’t realize how much stress I had until this was installed.”
Nicolee
Verified buyer
“Love seeing the screen. It reassures me everything is okay.”
Can save you and your family from
All-in-One Real Protection
Dual Gas & CO Protection
Covers the two most dangerous invisible threats in one device
Loud 85dB Emergency Alarm
Designed to wake you instantly when seconds matter.
Real-Time HD Display
Shows your air is safe, not just when something goes wrong.
Plug-In, Always On
No batteries, no maintenance, just continuous protection.
Independent Dual Sensors
Faster, more accurate detection you can trust.
Easy Setup, Zero Hassle
Just plug it in and you’re protected. No tools, no apps, no complicated installation.
Dual Gas & CO Protection
Covers the two most dangerous invisible threats in one device
Loud 85dB Emergency Alarm
Designed to wake you instantly when seconds matter.
Real-Time HD Display
Shows your air is safe, not just when something goes wrong.
Plug-In, Always On
No batteries, no maintenance, just continuous protection.
Independent Dual Sensors
Faster, more accurate detection you can trust.
Easy Setup, Zero Hassle
Just plug it in and you’re protected. No tools, no apps, no complicated installation.
What makes SafeNest™ Ultra Deferent?
Designed by professionals and now affordable for everyone! Don't fall for cheap knock offs.
Freedom from the fear of the silent danger
Peace of mind knowing your loved ones are safe
Confidence you chose the right protection
Simplicity in your home safety
Others
All-in-One Protection
Detection You Can Trust
Dual Independent Sensors
Visible Safety
No Batteries No Maintenance
Money Back Guarantees
Try it Risk Free for 30 Days
We're so confident that you will love our SafeNest™ Ultra that we offer a 30-Day Money Back Guarantee! Simply contact us within 30 days for the reason of return for a refund or replacement!
FAQs
Is it complicated to install?
Is it complicated to install?
Not at all. Just plug it into a standard outlet and it begins monitoring automatically, Nothing else!
Will it wake us up if something happens at night?
Will it wake us up if something happens at night?
Absolutely. It uses a loud, high-decibel alarm designed to alert you immediately, even during deep sleep.
How do I know it’s actually working?
How do I know it’s actually working?
The bright LCD screen shows live readings, so you can visually confirm your air is safe at any moment.
Is it safe to rely on a plug-in device?
Is it safe to rely on a plug-in device?
Yes. Plug-in power ensures constant operation without battery failures or low-battery chirping. Many families pair it with a secondary battery alarm for added peace of mind.
Is SafeNest™ Ultra really different from a normal CO detector?
Is SafeNest™ Ultra really different from a normal CO detector?
Yes. Standard detectors only monitor carbon monoxide. SafeNest™ Ultra detects both carbon monoxide and gas leaks while also showing real-time readings, giving you complete protection and visibility in one device.
How long is shipping take?
How long is shipping take?
You can expect your order on average about 8-12 days, but always this depends on where the order is. You can learn more in our shipping policy.
What if I don’t like it?
What if I don’t like it?
We believe safety is not something you should ever gamble on. That’s why we offer a 30-Day Safety Assurance Guarantee. Install it, use it, and experience the confidence of knowing your home is protected. If for any reason you don’t feel safer, more certain, and more at ease, simply contact us and we’ll give you a full refund.