Keep your home, workplace, or travel environment safe with the Oxyshield Air Quality Tester Alarm — a compact, highly accurate CO detector designed for real-time monitoring and instant alerts. Perfect for families, campers, drivers, renters, and anyone who values clean, safe air.
Key Features
🔍 High-Precision CO Detection (0–999ppm)
Equipped with advanced electrochemical sensors for accurate, real-time detection of carbon monoxide levels — even in challenging conditions.
📊 3-in-1 Air Quality Monitoring
Simultaneously measures:
CO concentration
Temperature (0–50°C)
Humidity (0–99% RH)
All displayed clearly on the bright TFT LCD screen with automatic brightness adjustment.
🚨 Intelligent Alarm System
Colour-coded alert system + sound + vibration for immediate awareness:
Green (0–24ppm): Safe
Yellow (25–49ppm): Mild alert (3 vibrations per minute)
Orange (50–99ppm): Moderate alert (5 vibrations per minute)
Red (100+ ppm): Danger — continuous alarms
Perfect for protecting your family from unseen threats.
💡 Smart Energy Saving
Auto-adjusting screen brightness
CO monitoring continues even with the screen off
Long-lasting 800mAh rechargeable battery
Supports 5V/2A USB Type-C continuous power
📱 Customisable Settings
Tailor your device to your needs:
CO calibration
Temperature unit switching (°C/°F)
Screen timeout
Alarm vibration/sound toggle
🌀 Optimised Ventilation Design
3D porous housing ensures fast air circulation, allowing the sensor to react quickly and accurately.
🧳 Portable & Lightweight
Weighs only 54g and comes with a lanyard — ideal for:
Homes
Cars
Greenhouses
Factories
Camping / BBQ
Environmental monitoring
Specifications
Model: PV19-CO
Gas Type: Carbon Monoxide (CO)
Range: 0–999 ppm
Accuracy: ±(10 + 5% of reading) ppm
Battery: Built-in 800mAh lithium battery
Display: TFT LCD
Power Supply: 5V / 2A (Type-C)
Temperature Accuracy: ±1°C
Humidity Accuracy: ±5% RH
Size: 50 × 85 × 17 mm
Weight: 54g
Material: Plastic
Smart Device: No
Certifications: —
Package Includes:
Air Quality Tester
Type-C Cable
Lanyard
Instruction Manual
Gary J. –
woke up to a CO detector alarm one night. it was the Oxyshield Air Quality Tester Alarm. kept me safe when dangerous gas was around. easy to read screen, gives CO levels and more. good for anyone for peace of mind every day. 4/5 stars.
Xavier Brown (verified owner) –
This air quality tester is a lifesaver. It helped me detect a carbon monoxide leak in my home before it escalated. The temperature and humidity readings are a bonus. Highly recommended for peace of mind.
Paul Denzel –
so, this air quality tester alarm is really something else. i have it in my house now, and it’s like having a little air guardian watching over me. when it detects something off, it lets me know straight away. it’s pretty easy to set up too just plug it in, and you’re good to go. i feel like i’m breathing easier with this thing around. definitely worth checking out if you want to keep tabs on the air quality in your place.
Tom Henderson –
I was shopping around for an air quality tester alarm, and I stumbled upon this gem. The Oxyshield is a game changer for my peace of mind. It’s impressive how it monitors CO, temperature, and humidity all at once. Definitely a must have for any home.
Connor Moore (verified owner) –
After testing this air quality alarm, I can say it’s pretty solid. It’s easy to set up and gives accurate readings quickly. The design is sleek and modern, fitting well in my living room. A nice addition to my home gadgets, especially since I care about indoor air quality. The display is clear, and the alarm function is handy for alerting me about any issues promptly. It’s not mind blowing, but it’s a reliable device to keep tabs on air quality levels in your home. Overall, a decent product for the price.
Declan K. (verified owner) –
This air quality tester alarm is a lifesaver. It’s like having a personal air quality watchdog keeping you safe. The CO detection is spot on, and the bright display makes it easy to check the levels. A must have for peace of mind at home or on the go.
William Dunne (verified owner) –
The Oxyshield Air Quality Tester Alarm is a game changer for me. It’s so easy to use and gives me peace of mind about the air I breathe. The sleek design fits perfectly in my home office, and the accurate readings help me adjust the air quality. Definitely worth every penny for the health benefits it provides. Five stars from me.
Dave W. –
This air quality tester alarm is top notch 5 out of 5 stars. It’s super easy to use and gives me peace of mind about the air I breathe. The CO detection is accurate, and the display is clear. Plus, the alarm is loud enough to notify me instantly. Great buy.
Pete Howard –
I recently got the Oxyshield Air Quality Tester Alarm, and it’s a game changer. It’s super easy to use, and the alarm feature really gives me peace of mind for my family. The air quality readings are clear, helping me adjust ventilation quick. Definitely worth the investment.
Tom Green (verified owner) –
The Oxyshield Air Quality Tester Alarm impresses with its accuracy and sleek design. It immediately detected harmful particles in my home, giving me peace of mind. The alarm feature is a game changer in ensuring safety. Top notch product.
Paul Denzel –
so, this air quality tester alarm is really something else. i have it in my house now, and it’s like having a little air guardian watching over me. when it detects something off, it lets me know straight away. it’s pretty easy to set up too just plug it in, and you’re good to go. i feel like i’m breathing easier with this thing around. definitely worth checking out if you want to keep tabs on the air quality in your place.