Carbon Monoxide Detector: The DS-399 Portable Carbon Monoxide Detector measures CO levels from 0 to 1000 PPM, allows custom alarm settings, and monitors temperature and humidity.
Powerful Rechargeable Battery: With a 1000mAh lithium battery and Type-C charging, it offers up to 168 hours of use on a full charge, making it great for long trips.
Easy to Carry: This compact CO tester fits in your palm, making it easy to carry in your pocket or attach to luggage with the included lanyard.
Audio-visual Alarm: You can customize CO alarm thresholds. When levels exceed the set limit, it emits an audible alarm and changes the indicator light color, providing dual protection.
What You Get: The package includes the DS-399 Carbon Monoxide Detector, a Type-C cable, a lanyard, and a user manual.
