Accurate Negative Oxygen Ion Detection
High-precision sensor measures negative oxygen ions (0-50 million/cm³) with ±10% accuracy, ideal for real-time air quality monitoring in homes, offices, and forests.
Multi-Functional Environmental Analysis
Detects temperature and humidity simultaneously, featuring a built-in LCD for clear data display—perfect for travel, hiking, or indoor air quality assessments.
Premium Build & Portable Design
Durable ABS casing with anti-slip texture; compact (120g) and pocket-sized for fieldwork or daily use.
One-Click Operation & Long Battery Life
Simplified single-button control with auto power-off; powered by 3xAAA batteries (included) for 80+ hours of continuous use.
Global Wholesale Advantage
Direct factory pricing, bulk discounts, and worldwide shipping—lowest rates guaranteed for retailers and eco-conscious buyers.