Indoor Air Quality Monitor with CO2 TVOC HCHO Temperature Humidity

Product description

5 READINGS ON ONE SCREEN — Simultaneously displays CO₂ (ppm), TVOC (mg/m³), formaldehyde HCHO (mg/m³), temperature (°C/°F switchable), and relative humidity (%) on a single large 4-digit LED screen. No toggling between screens required.
COLOR-CODED AIR QUALITY SCALE — Each sensor row includes a built-in three-zone indicator bar (green Good / yellow OK / red Poor), so readings are instantly understandable without needing to look up reference values.
READABLE FROM ACROSS THE ROOM — High-brightness segmented LED digits remain clear in both bright daylight and low-light conditions, making it practical for bedside tables, desks, and wall-mounted positions.
PORTABLE WITH USB CHARGING — Built-in rechargeable battery and standard USB charging port mean no permanent wiring needed. Flat base for desktop placement; rear slots for wall mounting. Move freely between rooms.
VERSATILE INDOOR USE — Designed for living rooms, bedrooms, home offices, nurseries, classrooms, and gyms. Side ventilation panel allows natural air circulation to the sensors for responsive, stable readings.