Welcome to our store！</br> 1、For formaldehyde HCHO, chemical pollutants TVOC, dust particulate matter PM2.5, micro-particulate matter PM10, carbon dioxide CO2, accurate 0.001mg/cubic meter thousand-digit accuracy. 2、Use imported brand air quality detection and analysis chips to ensure that the instrument detection is more accurate. 3、It adopts a bracket design, which is convenient to be placed in every corner of various scenes. 4、Adopt natural air flow detection technology to more accurately determine air quality problems. 5、Use of new environmentally friendly materials makes it more comfortable to use. <div class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> Item Type: Air Quality Detector Material: ABS + Electronic Components Product Size: Approx. 148 x 70 x 30mm/5.8x2.8x1.2in Weight: Approx. 300g / 10.6oz Display Mode: LCD Color Screen Digital Display Detection Technology: Natural Air Flow Detection Technology Error Fluctuation: 3%-30% Working Voltage: 5V Battery Capacity: Lithium Battery 2000 MAh (Built-in Battery Shipped) Power-on Warm-up: 120 Seconds Charging Time: About 4 Hours Standby Time: About 240-360 Minutes <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> </div> 1 x Air Quality Detector&nbsp; 1 x USB Data Cable 1 x Manual&nbsp; &nbsp; Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>