Mini PM2.5 Detector Air Quality Tester Particulate Meter Rechargeable Monitor

Features: 1. Mini PM2.5 Detector, helps you to monitor PM2.5 and remind you the air quality. 2. Accurate detection, can detect 0.3m particulate meter. 3. Colorful screen to show your air quality states. 4. Built-in 1200mah battery, rechargeable and can works for 4-6 hours. 5. Mini size, portable, can be used in home/car/office, etc. 6. Battery level indicator light. Specification: 1. Model: B33175 2. Material: ABS 3. Color: Black 4. Detection Unit: ug/m 5. Size: 57x36.5mm Test Result: Excellent: 0-35g/m Acceptable: 35-75g/m Mild Polluted: 75-115g/m Middle Polluted: 115-150g/m High Polluted: 150-250g/m Severe Polluted: >250g/m Package include: 1 x Mini PM2.5 Detector Detail pictures: