ApexGear 5-in-1 Indoor Air Quality Detector, Tests CO2 HCHO TVOC, HD Screen Precision Home Air Tester

・5-in-1 Multifunctional Indoor Air Monitoring: This air quality detector simultaneously measures CO2, formaldehyde(HCHO), TVOC, ambient temperature and humidity for full indoor environment tracking. Built with 5 high-precision sensors and infrared detection technology, it refreshes air data every second to deliver stable and accurate readings, perfectly suited for newly renovated homes, bedrooms and offices for daily air safety checking.

・Full Range CO2 Detection & 4-Color Indicator Light: It features a wide CO2 testing range from 400PPM to 5000PPM. Four colored lights (green, yellow, orange, red) correspond to different carbon dioxide concentration levels. You can quickly judge indoor air quality just by checking the light color without staring at complex digital figures, friendly for all family members to use.

・Automatic Audible Overlimit Alarm Function: When the indoor CO2 concentration exceeds 1500PPM, this air quality monitor will trigger a beeping alert automatically. The sound prompt reminds you to open windows for ventilation timely, effectively avoid discomfort caused by excessive carbon dioxide and harmful gas accumulation indoors, protecting your family’s respiratory health all day long.

・Dual Placement Design: Desktop & Wall Mounted: Designed with dual installation modes, you can place this air quality detector steadily on desks, tables, or mount it on interior walls to save counter space. The flexible layout adapts to living rooms, kitchens, study rooms and commercial offices, meeting diverse placement demands for different indoor spaces.

・Large Clear Digital Display Screen: Equipped with a high-definition segmented digital screen, the device arranges all detected air and environmental data separately. Values and measuring units are displayed clearly, allowing you to read real-time air indexes conveniently at a glance anytime indoors.