Realtime ozone detection: Monitor O3 levels to help ensure indoor air quality remains safe. Multifunctional environmental analysis: Ozone measurement paired with temperature and humidity testing for a comprehensive environmental snapshot. Clear LCD display: Measurements are shown on a readable screen for quick reference. Portable and compact: Lightweight design suitable for home, office, or outdoor use. Use scenarios At home: Track ozone levels during cleaning activities or after introducing devices that affect air quality to confirm safe conditions. In the office or classroom: Keep a small, portable device on a desk to monitor ozone along with temperature and humidity during daily activities. Field or outdoor use: Take the device to temporary workspaces or outdoor settings to assess ambient ozone and climate conditions.