CSPARKV （9×7×3.5cm）5 in 1 Air Quality Monitor Professional Indoor CO2 Detector HCHO TVOC Tester with Temperature and Humidity Sensor Rechargeable LED Screen Air Quality Analyzer

5-in-1 Accurate Air Monitoring: This air quality monitor detects carbon dioxide, HCHO, TVOC, temperature, and humidity in real time, ensuring clean and healthy air for everyone.

Clear LED Display with Alarm: The 9-inch ultra-high-definition LED display provides clear and visible data. The carbon dioxide monitor flashes different light colors based on concentration levels and emits an audible alarm when it reaches over 1500 ppm.

Enhanced Air Circulation: The air detector features a multi-mesh design with openings on all 4 sides, allowing for better air circulation and more accurate measurements. This design prevents overheating and extends the monitor's lifespan.

Convenient One-Button Operation: With just one button, easily turn the air tester on or off to observe various data. Built-in 4-color LED lights easily indicate air quality levels, making it easy to identify healthy or unhealthy air conditions

Long-lasting rechargeable battery: Equipped with a 1200mAh rechargeable lithium-ion battery, this portable air monitor can be carried around and provide continuous monitoring on a single charge. A 5V USB cable is included for easy charging