대기 질 모니터 미니 PM2.5 최고의 실내 CO2 공기 품질 모니터 2022 기능 : 디스플레이 화면: LED digital display Power supply: rechargeable battery Battery working time: 5 hours Battery capacity: 500mAh Measuring range: 0-999ug/m³ Resolution: 1ug/m³ Mini stone design, fashion and portable PM2.5 measurement, adopt laser sensor technology Built-in lithium battery, let you measure PM2.5 value at anytime and …