




How long does the battery last? Why does the screen turn off after a short while?
Up to 300 hours battery life, USB-C rechargeable (power bank/wall adapter compatible) – ideal for portable CO detector travel. Screen off in standby to save power, continuous monitoring active; no need to worry, it’s not out of battery!
Does it show temperature in Fahrenheit and Celsius?
Yes! It displays temps from -10°C(14°F) to 50°C(122°F), with one-click switching between °C and °F—perfect for travelers.
Can I use it as an rv carbon monoxide detector?
Yes! With a UL-compliant sensor and rechargeable battery, it’s a dependable CO detector ideal for RV use, camping and all your road trips.
Does it detect other harmful gases?
No, the Hymeter Portable Carbon Monoxide Detector detects only carbon monoxide (CO). It monitors CO levels from 0–1000 PPM, but does not detect other harmful gases such as methane, propane, or natural gas leaks.





How long does the battery last? Why does the screen turn off after a short while?
Up to 300 hours battery life, USB-C rechargeable (power bank/wall adapter compatible) – ideal for portable CO detector travel. Screen off in standby to save power, continuous monitoring active; no need to worry, it’s not out of battery!
Does it show temperature in Fahrenheit and Celsius?
Yes! It displays temps from -10°C(14°F) to 50°C(122°F), with one-click switching between °C and °F—perfect for travelers.
Can I use it as an rv carbon monoxide detector?
Yes! With a UL-compliant sensor and rechargeable battery, it’s a dependable CO detector ideal for RV use, camping and all your road trips.
Does it detect other harmful gases?
No, the Hymeter Portable Carbon Monoxide Detector detects only carbon monoxide (CO). It monitors CO levels from 0–1000 PPM, but does not detect other harmful gases such as methane, propane, or natural gas leaks.



















