Portable Carbon Monoxide Detectors, 3-in-1 CO Detector with Temp & Humidity Monitor, Magnetic Back, 140HR Standby, Travel Carbon Monoxide Detector for RV, Camping, Hotel, Home (Orange)

2026 New Accurate 3-in-1 Carbon Monoxide DetectorThis portable carbon monoxide detector combines CO, temperature, and humidity monitoring in one compact unit. Equipped with a high-precision sensor, it accurately detects CO (01000 PPM), temperature (14122 / -1050), and humidity (2085% RH). It enables real-time air quality monitoring anywhere, and one-button °C/°F switching makes it ideal for international travelers
Rechargeable Battery & USB-C Fast ChargingThis travel carbon monoxide detector features a 1600mAh rechargeable battery with USB-C fast charging, delivering up to 140 hours of standby timeno frequent recharging needed. The screen auto-dims after 5 minutes of inactivity to save power and extend battery life, making it a reliable portable CO detector for road trips, vacations, camping and extended outdoor stays
Clear Display & Smart AlarmThis carbon monoxide detector delivers instant alerts via color-coded LED indicators and an audio-visual alarm: 049 PPM (Green, Safe), 5099 PPM (Yellow, Low-Frequency Alarm), 1001000 PPM (Red, High-Frequency Alarm). It triggers the alarm by default when CO levels hit 50 PPM, and the alarm persists until CO returns to a safe range

How long does the battery last? Why does the screen dim after 5 minutes?
Battery life: Up to 140 hours. Rechargeable via USB-C (works with power banks or wall adapters).
Screen dims to 10% brightness after 5 minutes of inactivity to save power (CO detector remains in standby mode).
Does it show temperature in Fahrenheit and Celsius?
Yes! Displays -10°C to 50°C (14°F to 122°F). Simply double press the power button to switch between Celsius and Fahrenheit — great for travelers.
Can I use this as a portable CO detector in hotel rooms?
Absolutely! This is a compact, portable travel carbon monoxide detector—no installation required. Just place it on a nightstand for reliable extra safety in hotel rooms or rentals.

How long does the battery last? Why does the screen dim after 5 minutes?
Battery life: Up to 140 hours. Rechargeable via USB-C (works with power banks or wall adapters).
Screen dims to 10% brightness after 5 minutes of inactivity to save power (CO detector remains in standby mode).
Does it show temperature in Fahrenheit and Celsius?
Yes! Displays -10°C to 50°C (14°F to 122°F). Simply double press the power button to switch between Celsius and Fahrenheit — great for travelers.
Can I use this as a portable CO detector in hotel rooms?
Absolutely! This is a compact, portable travel carbon monoxide detector—no installation required. Just place it on a nightstand for reliable extra safety in hotel rooms or rentals.

Learn more about the Detailed Specifications