18-in-1 Portable Smartair Quality Tester: Ultra-Precise Multi-Gas Detection Accurately monitors CO, CO2, HCHO (Formaldehyde), TVOC, Benzene, and PM2.5/PM10 with <±5% error. Wide detection range ensures reliable air quality assessment in homes, offices, or workshops
24H Trend Tracking & Data Export: View real-time historical curves for PM2.5, HCHO, TVOC, and CO2 with 5-second sampling intervals. Save 365 days of data and export to TXT files via Type-C USB for professional analysis
Smart PM Comparison Mode: Double-tap to record two 30-second PM averages, then instantly calculate percentage changes (rise/fall). Ideal for testing air purifiers or ventilation efficiency
Long-Lasting & User-Friendly: 2000mAh rechargeable battery supports 12-15 hours standby. Auto-calibrates in 30 minutes when reset in clean air—no manual adjustments needed
Lab-Grade Performance, Plug & Play: One-click calibration and error self-correction ensure consistent accuracy. Compact design with clear LED indicators for instant air quality status