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

General descriptionBuilt-in Lithium Battery: The efficient built-in 1000mAh rechargeable battery ensures long standby time, keeping the device operational in the event of a sudden power outage or short trip. Accurate and Reliable Detection: With a high-precision electrochemical sensor and a self-test button, this carbon monoxide detector provides accurate real-time detection and easy product verification. 24-Hour Real-Time Protection: With a detection range of 0-999 ppm (±5%) and a sensor response every 2 seconds, the HD08 can detect odorless toxic CO and hidden combustion of 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 small detector body, which detects CO concentration, humidity, and temperature in real time and displays them on the HD screen, making it easy to read.Technical specificationsDetection range: 0-999 ppm (±5%)Sensor response time: every 2 secondsBuilt-in battery: 1000mAh rechargeableDimensions: 3.35" x 2.01" x 1.30"Weight: 2.12 ouncesUsageIntuitive and clear monitor: With a 2.1-inch screen, vivid LED display, and a loud 85 dB alarm: green (safety, CO concentration