ApexGear 5-in-1 Indoor Air Quality Monitor, Detects CO2 CO TVOC Temp Humidity, Rechargeable Household Tester

・5-in-1 Multifunctional Indoor Air Quality Detector: This air quality monitor detects carbon dioxide, carbon monoxide, TVOC, ambient temperature and humidity simultaneously. All measurement data is displayed on one large integrated screen, letting you check indoor environmental conditions quickly. It works perfectly for home, bedroom and office daily air inspection needs.

・4-Level Color Coded Air Quality Visual Indicator: It adopts green, yellow, orange and red color bars to divide air conditions into Good, Slight, Moderate and Serious pollution grades. You can judge air quality instantly through color distinction. The built-in buzzer will alert you automatically once harmful gas concentration exceeds safe standards indoors.

・High Precision Sensors with Wide Detection Range: The air quality detector shows data accurate to the thousandth place with tiny detection error. It supports broad testing ranges for CO2, CO, TVOC, temperature and humidity, which can capture subtle changes of indoor harmful gases and ambient environment steadily all day long.

・24/7 Continuous Indoor Temp & Humidity Tracking: Capable of round-the-clock continuous monitoring of indoor temperature and humidity fluctuations. You can adjust air conditioner or dehumidifier properly based on real-time readings to create a comfortable living environment, effectively improving your indoor living experience.

・Compact Desktop Design & Easy Calibration Guide: Stylish black compact body with supporting feet for stable desktop placement. Detailed calibration tips are offered to help you adjust the sensor easily. After simple static calibration, the device delivers stable and accurate air data for long-term household use.