Compact Portable PM2.5 Tester Detector Air Quality Monitor Testing Tool Equipment USB Powered

Feature: 1. Small and exquisite, compact and portable, easy to carry, can be carried with you at will. 2. Suitable for office, home, garden, car and other occasion, to know the surrounding air quality at any time. 3. More accurate results, PM2.5 laser scanning is more stable and accurate than infrared sensor results. 4. Built?in lithium battery, USB charging for long battery life without fear of power failure. 5. Advanced laser sensor detection technology accurately detects PM2.5 in the air and converts it into a digital display, displaying different levels warnings in different colors. Specification: Condition: 100percent Brand New Item Type: PM2.5 Tester Material: ABS Color: White Battery Type: Built-in lithium battery USB rechargeable Working Time: 4-6 Hours Battery Capacity: 1000mAh Charging Parameters: 5V/1A Working Environment: -20 celsius -50 celsius PM2.5 Resolution: 1ug/m3 PM2.5 Measurement Range: 0-999ug/m3 Product Size: Approx. 5.5 x 5.5 x 3.5 cm / 2.2 x 2.2 x 1.4 in Weight: Approx. 188g / 6.6oz. Package List: 1 x PM2.5 Tester1 x User Manual1 x Data Cable