OZONE DETECTOR User adjustable O3 alarm threshold, which will sound when the threshold is reached to alert the user of elevated concentrations, help monitor air quality at home, in the car, and in hotel rooms. ACCURATE READINGS, SMALL AND PORTABLE Air quality pollution monitor is equipped with a USB charging port and a high capacity 2000mAh lithium battery that warns when the battery is running low. Air quality monitor has small size and light weight of the ozone detector makes it very convenient to carry around so that you can monitor the ozone concentration in the air at any time. HIGH SENSITIVE AND ACCURATE MEASUREMENT Single O3 gas monitor,Bulit-in high senstive sensor, measurment range 0-5ppm with resolution 0.001ppm. And the unit can store up to 100000 pieces of test data, and you can view historical data at any time with the software. CLEAR SCREEN Ozone detector adopts color LCD, high definition pixels, easy to view, support time and date, self calibration function, you can see all the information clearly. Item Type: Ozone Meter Detector Material: ABS Color: White O3 Sensor Technology: Electrochemical Temperature Humidity Techno: Temperature and humidity sensors O3 Detection Range: 0-5ppm (Accuracy 0.001ppm) Battery: 1 x 18650 2000mAh rechargeable lithium battery (shipped with built in battery) Display: 3.5in LCD display Atmospheric Pressure: 86Kpa-106Kpa Sampling Time: 1.5sec Detection Temperature: -10℃-50℃ (accuracy ±1℃) Humidity: 20%-85% RH (accuracy ±4% RH) Storage Temperature: -10℃ to 60℃ Package List: 1 x Ozone Meter Detector 1 x USB Cable 1 x Instruction Note: