Portable CO Detector with Temp & Humidity LCD – ATUOTIN

ATUOTIN Handheld Carbon Monoxide Detector with Temperature & Humidity Meter

Stay informed and protected with the ATUOTIN Portable CO Alarm Monitor — a compact, multi-function device that simultaneously measures carbon monoxide (CO) levels, ambient temperature, and relative humidity. With a crisp LCD screen and intuitive one-touch controls, this handheld detector is perfect for homes, offices, bedrooms, and vehicles.

Key Features

• Easy One-Touch Operation: Press and hold the power button to activate. The device stabilizes readings in approximately 60 seconds, then automatically displays accurate CO, temperature, and humidity measurements on screen.
• Adjustable Auto-Off Timer: Conserve battery with the customizable auto-shutdown feature. Default is 60 minutes of inactivity, but you can switch between 20-minute, 40-minute, or always-on modes with a simple button press.
• Audible Alarm Control: Toggle the buzzer alarm on or off to suit your environment. A white alarm icon indicates the sound is active; gray means it is muted — ideal for both noisy and quiet settings.
• Adjustable Screen Brightness: Cycle through multiple brightness levels using the dedicated brightness button, ensuring clear visibility in any lighting condition — indoors or outdoors.
• Temperature Unit Switch: Long-press the alarm button to quickly toggle between Celsius (°C) and Fahrenheit (°F), making this device suitable for users worldwide.
• CE & RoHS Certified: Meets recognized safety and environmental standards for your peace of mind.

Specifications

• Gas Type Detected: Carbon Monoxide (CO)
• Display: LCD Screen
• Battery Voltage: 3.7V
• Battery Capacity: 750mAh / 2.75Wh (included)
• Casing Material: ABS
• Dimensions: Approx. 90 × 50 × 18 mm (3.54 × 1.97 × 0.71 in)
• Certifications: CE, RoHS
• Made in: Mainland China

What's in the Box

• 1 × Carbon Monoxide Detector (Battery Included)

Ideal For

• Bedrooms, living rooms, kitchens, and home offices
• Cars, RVs, and enclosed vehicles
• Workshops, garages, and industrial spaces
• Travel and on-the-go monitoring

Note: Due to variations in monitor settings and lighting conditions, the actual color of the item may differ slightly from images. Please allow a 1–2 cm difference due to manual measuring.

For more information on carbon monoxide safety in the home, visit the CDC's Carbon Monoxide Poisoning Prevention Resource. Additional home safety guidance is also available from the U.S. Consumer Product Safety Commission (CPSC).

Learn more: Carbon monoxide detector

Frequently Asked Questions

Q: How long does the ATUOTIN carbon monoxide detector take to give a stable reading?

A: After powering on by pressing and holding the power button, the CO detector takes approximately 60 seconds to warm up and stabilize. Once ready, it automatically displays accurate CO levels, temperature, and humidity on the LCD screen.

Q: Can I use this CO detector in my car or RV?

A: Yes! The compact, handheld design of this portable CO alarm monitor makes it well-suited for use in cars, RVs, campers, and other enclosed vehicles, as well as bedrooms, home offices, and workshops.

Q: Does the carbon monoxide detector include a battery?

A: Yes, the device includes a built-in 3.7V / 750mAh rechargeable battery, so it is ready to use right out of the box.

Q: Can I turn off the audible alarm?

A: Absolutely. The buzzer alarm can be toggled on or off using the alarm button. When the alarm icon appears white, it is active; when gray, the audio alert is muted — giving you full flexibility depending on your environment.