[ADVANCED 10-IN-1 MONITORING]: Our air quality monitor is a perfect ally for maintaining fresh and safe air indoors. Equipped with multiple sensors, it accurately tracks CO, PM2.5, CO2, Temperature, Humidity, VOCs, and Formaldehyde. It signals any unusual increases to protect your family's health effectively. [PRECISE & RELIABLE SENSORS]: Featuring cutting-edge PM2.5 and Formaldehyde sensors, our device delivers dependable air quality readings. Stay proactive by detecting potential pollutants and contaminants before they pose significant health risks. Maintain a healthy indoor environment seamlessly. [ENHANCED BATTERY LIFE]: Equipped with a robust lithium polymer battery, our monitor provides extended mobility and convenience. Enjoy over 12 hours of continuous monitoring on a single charge. The Type-C cable offers universal compatibility and quick recharging capabilities. [ALERT SYSTEM FOR HIGH CO2 LEVELS]: Never compromise on air quality. This monitor warns you through color changes and an audible alarm when CO2 levels exceed 2000 ppm. perfect for areas prone to wildfires or homes with outdated heating solutions, ensuring that you are always breathing . [COMPREHENSIVE FORMALDEHYDE TESTING]: Our monitor continually scrutinizes the levels of Formaldehyde, which can irritate the mucous membranes and cause discomfort. ensures rigorous testing of each unit to precision, aiding in maintaining optimal indoor air quality. Colour:Black Material:Plastic Package Contents: 1 * Detector 1 * USB wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.