Air Quality Detector Ionizer Meter Alarm Function Portable Air Tester with Negative Ion Concentration/Temperature/Humidity/VOC

Air Quality Detector Ionizer Meter Alarm Function Portable Air Tester with Negative Ion Concentration/Temperature/Humidity/VOC _x000D_ Air Quality Detector Ionizer Meter Alarm Function Portable Air Tester with Negative Ion Concentration/Temperature/Humidity/VOC/PM2.5/PM10/CO/CO2 for Home Car Office: _x000D_ _x000D_ Feature: _x000D_ _x000D_ 1. VT-AIR01 Detector: Detects negative ion concentration/temperature/humidity/VOC/PM2.5/PM10/CO/CO2 with precision._x000D_ 2. 2.8 inch Display Screen: Provides clear display of all data, including real-time curves for negative ion levels._x000D_ 3. Long-lasting Battery: Features a built-in 2000mAh rechargeable lithium battery with adjustable brightness and auto-shutdown function._x000D_ 4. Alarm Functionality: Set customizable alarm values for various detection parameters and manually control the buzzer._x000D_ 5. User-friendly Operation: No complicated apps or Wi-Fi needed. Simply activate the air quality meter for automatic environment measurement, suitable for anyone, anywhere._x000D_ _x000D_ _x000D_ Specification: _x000D_ _x000D_ Item Type: VT-AIR01_x000D_ Display Size: 2.8 inches_x000D_ Battery: 2000mAh (Built-in rechargeable battery)_x000D_ Product Size: Approx. 13x7x4cm / 5.12x2.76x1.57in_x000D_ Product Weight: Approx. 147g_x000D_ Charging Method: 5V Type-C_x000D_ Detection Range:_x000D_ Negative Ion: 0-99999999 pcs/cm³_x000D_ Temperature: 0-70°C_x000D_ Humidity: 0-99%RH_x000D_ Total Volatile Organic Compounds: 0-9.999 mg/m³_x000D_ PM2.5: 0-999 ug/m³_x000D_ PM10: 0-999 ug/m³_x000D_ CO: 0-1000 PPM_x000D_ Carbon Dioxide: 0-5000 PPM_x000D_ _x000D_ _x000D_ _x000D_ How to Use: _x000D_ _x000D_ Follow the instructions in the manual_x000D_ _x000D_ _x000D_ Package List: _x000D_ 1 x Air Quality Monitor 1 x Charging Cable 1 x User Manual _x000D_ _x000D_ _x000D_ :_x000D_ _x000D_ _x000D_ : _x000D_ _x000D_ _x000D_