Welcome to our store! This CO Alarm is designed to provide real-time monitoring of air quality, ensuring your safety by timely detecting and improving the air around you. The smart smoke detector is equipped with a large LCD display that has adjustable backlight settings for easy nighttime viewing. It also features data logging capabilities for the Tuya application with 1ppm accuracy, offering high precision to defend your safety effectively. Made of fire-resistant ABS material, this CO alarm is durable and wear-resistant, guaranteeing long-term use. Additionally, it comes with a built-in lithium polymer battery with a capacity that lasts 6 to 8 hours without recharging, providing continuous protection. Product Details: - Material: ABS - Weight: Approx. 372g / 13.1oz - Voltage: 5V - Battery: Lithium Polymer Battery 1400mAh (Included) - CO Detection Range: 0-1000ppm - Accuracy: 1ppm - CO Detection Error: ±5% or ±10ppm - Responding Time: <60 Seconds - Alarm Decibel: 85db - Smoke Sensitivity: 0.1% db/m - 0.3% db/m - Temperature Detection Range: -20℃ - 60℃ ±3℃ - Humidity Detection Range: 5% - 95% ±5% - Operating Temperature: 0℃ - 50℃, 32℉ - 122℉ - Working Humidity: 5-95% Package Includes: - 1 x CO Alarm - 1 x Power Cord - 2 x User Manual 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service. Thank you for shopping with us!