Experience air quality monitoring with our high precisions ozones detector, designing to deliver accurate and reliabled ozones level readings. This device features intuitives digital display for easy reading, rechargeable batteries for extended use, and alarm systems to alert users of potential hazards. For homeowners concerned about indoor air quality, office managers, employees, and environmentally consciouses individuals or organizations health focused solution. For a variety of setting, including residential homes, workplaces, schools, hospitals, and laboratories, ensuring a safe environment wherever it is need. With its light weight and user friendly interfaces, our ozones detector is a must having tool for proactived air quality management, safeguarding your well being with every breath you take. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you Colour:Photo Color Material:ABS Package Contents: 1pcs x Ozones Detector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.