Carbon Monoxide Detector, 3-in-1 Plug-in CO Detector with Temperature and Humidity Display, Mini Travel Alarm for Home, with Built-in Battery

Built-in Lithium Battery: An efficient 1000mAh rechargeable battery ensures long standby time, keeping the device operational during sudden power outages or short trips.

Accurate and Reliable Detection: With a high-precision electrochemical sensor and a self-test button, this carbon monoxide detector offers accurate real-time detection and easy product verification.

24-Hour Real-Time Protection: With a detection range of 0 to 999 ppm (±5%) and a sensor response time of 2 seconds, the HD08 can detect odorless toxic CO and hidden combustion in early fires in real time, providing protection for your family.

3-in-1 Home CO Monitor: Carbon monoxide, humidity, and temperature monitors are all integrated into a mini-sized detector body, detecting real-time CO concentration, humidity, temperature, and humidity levels.

Intuitive and clear monitor: with a bright 2.1-inch LED screen and an 85 dB audible alarm: green (safe, CO concentration 50 ppm), orange (caution, CO concentration: 50 to 200 ppm), and red (high, CO concentration ≥ 200 ppm). Brightness is adjustable to high, low, and off.

User-friendly: only 2.12 oz and 3.35" x 2.01" x 1.30", compact and lightweight design with an easy-to-use interface and a removable back cover for easy transport and use, perfect for home, travel, camping, and car use.