High-precision digital CO2, temperature, and humidity meter with built-in alarm — designed for easy, reliable indoor air monitoring. Key benefits Protect health: Tracks CO2, temperature, and humidity so you can maintain safer indoor air for family members, office workers, people with respiratory sensitivities, and health care professionals. Immediate alerts: The integrated alarm notifies you when CO2 concentrations exceed safe levels, enabling timely ventilation and corrective action. Confident decisions: Accurate, real-time readings support active management of air quality to reduce discomfort, drowsiness, or risks associated with poor ventilation. How it solves problems Detects poor ventilation before symptoms appear by continuously monitoring CO2 and environmental conditions. Helps maintain comfortable humidity and temperature ranges that reduce irritation for sensitive occupants. Portable and multifunctional design allows monitoring wherever you need it, so you can identify problem areas and test corrective measures. What makes it stand out High-precision sensors for CO2, temperature, and humidity deliver reliable measurements for everyday indoor use. Built-in alarm function provides timely, actionable warnings when CO2 concentrations go beyond safety. Multifunctional and portable — suitable for a wide range of interiors including homes, offices, schools, and vehicles. Compact profile and robust casing make it convenient to move between rooms and durable enough for routine use. Key attributes Function: Measures CO2 concentration, temperature, and humidity; includes audible/visual alarm for high CO2. Compatibility: Designed for indoor environments such as homes, offices, classrooms, clinics, and vehicles. Size and portability: Portable form factor for tabletop or quick relocation; easy to carry and place where monitoring is needed. Material and durability: Built for regular use with a sturdy exterior suitable for home and professional environments. Performance: High-precision digital measurements for accurate, real-time air quality information. Practical use scenarios Home: Place in living rooms or bedrooms to monitor ventilation and get an alarm if CO2 rises during gatherings or overnight. Office or classroom: Use at desks or common areas to ensure adequate fresh air and reduce drowsiness or concentration loss. Vehicle or clinic: Check air exchange and cabin conditions during travel or in small clinical spaces to protect sensitive occupants. Specifications and functions High precision digital CO2, temperature, and humidity monitoring. Built-in alarm that alerts when CO2 concentrations exceed safety thresholds. Multifunctional and portable for use across different indoor settings. Who should use it Families, caregivers, and individuals with respiratory sensitivities. Office managers, teachers, and health care professionals responsible for indoor air safety. Anyone who wants a simple, effective tool for monitoring and improving indoor air quality.