[3-in-1 Portable CO Detector]:This 3-in-1 portable carbon monoxide detector can monitor the CO concentration, temperature and humidity in the air in real time. Equipped with a high precision sensor (10-year life), it can detect CO concentration range is 0~500PPM, temperature range is 14~122°F / -10~50°C, and humidity range is 20~85%RH. The data is accurate and without delay, and the real-time monitoring lets you know the ambient air quality at any time.

[Audible & Visual Alerts]:This carbon monoxide detector comes with an LCD display alarm and an audible alarm that starts when the CO concentration exceeds 100 ppm, ensuring your safety in any outdoor or indoor environment.

[Portable & Durable Build]:The size of the detector is 2.8 × 2.8 × 1.3 inches. It is small and easy to carry around, either in your pocket or on your luggage with the included lanyard. Its portability ensures that you are always secure while traveling.

[Rechargeable & Long Standby]: This premium carbon monoxide detector combines a 1000mAh battery with Type-C charging and goes into a low-brightness power-saving mode after long periods of inactivity. Enjoy up to 7x24 hours of standby time and experience the freedom to travel! Ideal for camping, travel, and vacation.

[What You Get]：1 x SDOER Carbon Monoxide Detector, 1 x Type-C Charging Cable, 1 x Product Manual.