CT-300 Carbon Monoxide Detector, CO Detector with Visual and Sound Alarm, 0-5000PPM, CO Alarm, LCD Display for Home, Car, Camping and Travel (Includes 3 Batteries) - Orange

Keeps you safe from Co!

I picked up the TopTes CT-300 Portable Carbon Monoxide Detector as a simple safety tool, and it turned out to be one of the most important purchases I’ve made. This unit alerted us to a serious issue with our apartment’s gas heater, it wasn’t igniting properly and was releasing gas into the space. Without this detector, we likely wouldn’t have noticed anything was wrong until it became a real emergency. What really stands out is how responsive and accurate it feels. It provides real-time readings with clear numerical values, so you’re not just relying on a basic alarm, you can actually see changes in air quality as they happen. In our case, the readings made it obvious something was off almost immediately. The alarm system is very effective. It’s both audible and visual, the alarm is loud enough to get your attention, and the screen changes color as levels rise, so you can quickly gauge how serious the situation is. The display is backlit and easy to read at a glance, even in lower light. Functionality is straightforward and practical. It powers on quickly, starts measuring right away, and is portable enough to move from room to room or even use in a car or while traveling. It works well as a supplemental safety device or for spot-checking specific areas. Battery life has been solid for a portable unit, and it runs on standard AAA batteries, which are easy to replace. There’s also a low battery indicator so you’re not caught off guard. Overall, this isn’t just a gadget, it’s a genuinely useful safety device. In our case, it very likely prevented a dangerous situation from getting worse. Highly recommended for anyone with gas appliances or heaters. It’s a small investment that can make a critical difference.

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It dit not detected the proper value compare to a calibrated meter.