[ADVANCED 10-IN-1 MONITORING] Our air quality monitor helps maintain fresh and safe indoor air. Equipped with multiple sensors, it accurately tracks CO, PM2.5, CO2, temperature, humidity, VOCs, and formaldehyde. It alerts you to unusual increases to help protect your family's health. [PRECISE & RELIABLE SENSORS] Featuring advanced PM2.5 and formaldehyde sensors, this device delivers accurate air quality readings. Detect potential pollutants early to help prevent health risks and maintain a healthy indoor environment. [ENHANCED BATTERY LIFE] Powered by a reliable lithium polymer battery, the monitor offers extended operation and portability. Enjoy over 12 hours of continuous monitoring on a single charge. The included Type-C cable provides universal compatibility and fast recharging. [ALERT SYSTEM FOR HIGH CO2 LEVELS] This monitor alerts you with color changes and an audible alarm when CO2 levels exceed 2000 ppm. Ideal for use in areas affected by poor ventilation or combustion sources, helping ensure cleaner air. [COMPREHENSIVE FORMALDEHYDE TESTING] The monitor continuously measures formaldehyde levels, which may cause irritation to eyes, nose, and throat. Each unit undergoes strict testing to ensure accuracy and performance. Color: Black Material: Plastic Package Contents: 1 x Detector 1 x USB cable Note: Light reflection and display differences may cause slight variations between the product color in images and the actual item. Measurement may vary by +/- 1-3 cm.