High-precision digital CO2, temperature and humidity meter — compact, portable air quality monitor for reliable indoor measurements. Key benefits Monitor air quality easily: simultaneous CO2, temperature and humidity readings help you assess ventilation, comfort and indoor safety. Prevent poor indoor air: accurate measurements let you know when to ventilate rooms to reduce stuffiness and maintain healthier conditions. Simple, usable display: LCD shows current CO2, temperature and humidity at a glance for quick decision making. Portable and versatile: small, lightweight design fits on a desk, countertop or vehicle and is convenient to carry between spaces. What it does Measures CO2 concentration, ambient temperature and relative humidity with high precision. Displays clear numerical readings on an LCD for straightforward, user-friendly operation. Designed for everyday indoor environments where air quality matters. Where to use it (practical scenarios) Home: Place in bedrooms, living rooms or nurseries to check ventilation while sleeping or when multiple people are present. Office and meeting rooms: Monitor CO2 during long meetings to decide when to open windows or increase ventilation to maintain alertness and comfort. Schools and vehicles: Use in classrooms or enclosed vehicles to track air quality and manage breaks or airflow for occupants’ wellbeing. Who it’s for Families and caregivers who want to maintain a healthier home environment. Office workers and facilities managers monitoring meeting rooms and shared spaces. Health care professionals and people with respiratory sensitivities who require extra care and safety in their environments. Key attributes Functions: Measures CO2, temperature and humidity. Display: Clear LCD for easy reading. Size/portability: Small, lightweight and easy to move between rooms or vehicles. Performance: High-precision readings to support reliable indoor air assessments. How it helps you decide Provides the information needed to improve ventilation and comfort. Makes it practical to respond to rising CO2 or unfavorable temperature/humidity conditions. Supports routine checks in homes, offices, schools and vehicles without complicated setup. Simple, dependable monitoring to help maintain better indoor air quality where it matters.