Jessica M.
"Didn't even know gas could leak without a smell. This thing beeped at 3am — called the fire department and they confirmed it. Terrifying."
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🚨 LIMITED TIME: 50% OFF + FREE SHIPPING
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🛡️ 90-DAY MONEY BACK GUARANTEE
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📦 2 YEAR WARRANTY
•
🚨 LIMITED TIME: 50% OFF + FREE SHIPPING
•
🛡️ 90-DAY MONEY BACK GUARANTEE
•
📦 2 YEAR WARRANTY
•
🚨 LIMITED TIME: 50% OFF + FREE SHIPPING
•
🛡️ 90-DAY MONEY BACK GUARANTEE
•
📦 2 YEAR WARRANTY
•
🚨 LIMITED TIME: 50% OFF + FREE SHIPPING
•
🛡️ 90-DAY MONEY BACK GUARANTEE
•
📦 2 YEAR WARRANTY
•
🚨 LIMITED TIME: 50% OFF + FREE SHIPPING
•
🛡️ 90-DAY MONEY BACK GUARANTEE
•
📦 2 YEAR WARRANTY
•
🚨 LIMITED TIME: 50% OFF + FREE SHIPPING
•
🛡️ 90-DAY MONEY BACK GUARANTEE
•
📦 2 YEAR WARRANTY
Grevora™ 6-in-1 Smart Home Guardian
Grevora™ 6-in-1 Smart Home Guardian
A Smarter, Simpler Way to Protect Your Home 24/7
🛡️ 6-in-1 Detection: Detects CO, Gas, and Smoke while continuously monitoring Temperature, Humidity, and real-time air levels.
🔌 Zero Installation: Plug it in or use the magnetic mount. No apps or wiring.
🔋 Blackout-Proof: 8-hour battery backup keeps you safe during power outages.
🔊 Extra Loud Alarm: 85dB dual-alarm ensures you wake up instantly.
🧘Total Peace of Mind: Reliable 24/7 protection without unnecessary alerts.
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90-Day Money Back Guarantee
Try Grevora risk-free for 90 days or get 100% of your money back.
Grevora™ 6-in-1 Smart Home Guardian
Regular price
$49.95
Regular price
$49.95
Sale price
$79.95
Unit price
per
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Plugged in Grevora and it caught a CO leak from our furnace that night. My kids were sleeping in the next room 🥰
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Had 3 separate smoke detectors — none of them caught gas or CO. Replaced them all with just this one little device. Does everything.
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Got this for my mom who lives alone. She just plugged it in — no app, no wifi, no setup. Five minutes and done
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Specifications
Specifications
- Model: HD16
- Dimensions: Approx. 4.1 × 3.1 in
- Weight: Approx. 4.8 oz (136 g)
- Display: 2.8" IPS Color Display
- Detection: Gas, CO, Smoke, Temperature & Humidity
- Alarm Volume: ≥85 dB
- Battery: Built-in 1000mAh Rechargeable Battery
- Backup Time: Up to 8 Hours
- Power Supply: Plug-In + Rechargeable Battery Backup
- Installation: Magnetic Mount / Plug-In
- Color: White & Black
What's in the box?
What's in the box?
- 1× Grevora 6-in-1 Smart Home Guardian
- 1× Power Plug Adapter
- 1× Magnetic Mount Adapter
- 1× Quick Start Guide
Shipping Information
Shipping Information
Free Shipping on all orders $50+
Estimated delivery time: 6–12 business days.
All orders include a tracking number so you can stay updated on your shipment status at any time.
Money Back Return
Money Back Return
We offer a 90-day money-back guarantee on all purchases. If you're not completely satisfied with your order, you can return the product within 90 days of receipt for a full refund or exchange
Plug & Play
6-in-1 Protection
85dB Alarm
CO Detection
Natural Gas Detection
8-Hour Backup
Invisible Threats. Visible Protection.
You can't see a gas leak or carbon monoxide. Grevora detects these hidden dangers in real-time, sounding an 85dB alarm before it's too late. No apps, no Wi-Fi, no confusing setup — just plug it in.
Protection That Never Quits.
Traditional alarms fail when the grid goes down. Grevora features a built-in backup battery that lasts up to 8 hours during blackouts. Plus, the magnetic mount lets you stick it anywhere — from your kitchen to your RV.
Stay Aware at a Glance.
Grevora brings key home conditions together on one clear LED display. Instantly monitor CO, natural gas, smoke, temperature, and humidity. If danger is detected, an 85dB audible alarm and flashing lights will immediately alert you.
Plug & Play
No setup hassle
6-in-1 Protection
One compact device
85dB Alarm
Loud warning alert
8-Hour Backup
Extra peace of mind
The Ultimate Defense Against Silent Killers
CO and natural gas leaks are invisible and deadly. Don't trust your family's safety to outdated alarms. Grevora is the only 24/7 guardian you need.
• Replaces 6 separate devices: Instantly monitors CO, gas, smoke, temperature, humidity, and leaks in one compact unit.
• No more 3 AM battery chirps: Plugs directly into the wall with an 8-hour emergency backup battery.
• Ultra-loud 85dB siren: Guaranteed to wake the entire house the second danger is detected.
Money-Back Guarantee.
Try Grevora for 90 days. If you're not 100% satisfied, we'll take care of you. Reach out to us at info@trygrevora.com
Your trust matters, and we're here to support you every step of the way.
Frequently Asked Questions
Is it difficult to install Grevora? / Do I need an electrician?
Is it difficult to install Grevora? / Do I need an electrician?
Not at all! Grevora is 100% plug-and-play. Simply plug it into any standard wall outlet, and it starts monitoring immediately. There is no hardwiring, no drilling, and no tools required.
What happens if the power goes out?
What happens if the power goes out?
Your family remains fully protected. Grevora comes equipped with a built-in 8-hour emergency backup battery, ensuring continuous monitoring and alerting even during power outages.
Where is the best place to use Grevora in my home?
Where is the best place to use Grevora in my home?
We recommend placing it in high-risk areas such as the kitchen (near gas stoves), near water heaters, furnaces, or in hallways just outside sleeping areas. Its compact design ensures it won't block the second socket of your outlet.
Do I need Wi-Fi or a smartphone app to use it?
Do I need Wi-Fi or a smartphone app to use it?
No Wi-Fi, no Bluetooth, and no apps are needed! Grevora features a clear, real-time LED display and a built-in 85dB siren to alert you directly. This means zero setup hassle and complete data privacy for your home.
Can I buy Grevora in stores?
Can I buy Grevora in stores?
Not yet. We sell exclusively through our website.
Real Families. Real Protection.
They Didn't Know Until Grevora Told Them.
10,000+ homes already protected.
Tom H.
"Replaced 3 separate smoke detectors with this one unit. Does everything. Screen could be a bit bigger though."
Linda K.
"Bought it for my mom — she's 78, lives alone. She plugged it in herself, no help needed. First time she's ever set up anything 'smart.'"
Marcus J.
"Power went out for 6 hours during a storm. Old detectors went silent. This one kept running the whole time."
Sarah P.
"Shipping took a while but it works. Neighbor had a gas leak last month — not waiting for that to be me."
Derek W.
"Got 3 for our new house — kitchen, basement, bedrooms. Under $150 total. Way cheaper than any smart home system quote I got."