Portable multi-function air detector for O3 levels, AQI, temperature and humidity across various environments. Clear data visualization on an 8 inch color LCD screen (320x240) presents readings in an easy to read format. Safety system with real-time monitoring and customizable alarm settings alerts you to significant changes in air quality or environmental conditions. Key benefits - Monitors O3, AQI, temperature and humidity for safer indoor and outdoor exposure - Portable design for use in homes, offices, classrooms, workshops, and other spaces - 8 inch color LCD display provides quick, digestible data at a glance - Customizable alarms enable proactive responses to air quality or environmental changes Use scenarios - Home or apartment: monitor indoor air quality and ozone exposure to protect family health - Office or classroom: maintain a healthier environment and respond rapidly to shifts in air quality - Workshop or lab: track ozone-related conditions to support safe operating practices and equipment safety