Our Verdict
When you are camping or working in confined spaces, air quality is often the last thing on your mind until it becomes a problem. I spent time testing the Protmex Portable 4-in-1 Carbon Monoxide Detector to see if its compact design could truly provide the peace of mind it promises.
Performance & Build Quality
The device feels surprisingly robust for its mini size, featuring a clean interface and a magnetic back that makes mounting it to metal frames effortless. The 1000mAh battery is a standout, lasting through a full weekend of monitoring on a single charge.
Day-to-Day Experience
Setting up the monitor is straightforward, with a user-friendly interface that lets you track gas levels immediately after powering it on. Its lightweight frame ensures it fits perfectly into a camping bag without taking up unnecessary space.
This is a must-have for outdoor enthusiasts, van-lifers, and anyone who needs a portable, accurate air quality monitor for indoor and outdoor safety.
Final Thoughts
The Protmex Portable 4-in-1 is an incredibly reliable tool that delivers on its core promise of safety. With a stellar 4.92 rating and an accessible $59.00 price tag, it is a smart addition to any safety-conscious traveler's kit for 2026.
