1, 15 in 1: time, , temperature, humidity, carbon dioxide, carbon monoxide, TVOC, HCHO, PM2.5, PM10, PM1.0, PM0.3, timer, timer, alarm clock; 2.8-inch TFT color high-definition display, , at a glance; Real-time display of 11 items of data, including 10 items of , 1 item of comprehensive data;<br> 2, color grading instructions - not only display the specific value of each parameter Can also through the different colors, quickly understand the indoor environmental conditions; values and three-color indication can understand the comprehensive environmental conditions.11 real-time view of the value, real-time update 10 items per second (temperature, humidity, CO, CO2 HCHO, TVOC, PM particulate matter 0.3, 2.5, 1.0, 10) Detection data; 1 integrated value.<br> 3, composite index view, according to the value of each item, intelligent calculation of the air quality composite index Environmental conditions at a glance.<br> 4,Color grading display, through the color change of each value on the screen, quickly understand the indoor environmental conditions.<br> 5,Wi-Fi connection, automatically synchronize the time and date.<br> Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!<br> 3 alarms can be set to cope with daily matters reminder.<br> Alarm clock reminder<br> Time is 30S, can be set to change on APP.<br> Timer can be set to turn on the countdown to cope with daily matters reminder.<br> Alarm clock reminder time is 30S, can be set to change on APP.<br> Timer can be set to turn on the positive time, to cope with the reminder of daily matters.<br> With battery<br> Colour:Black<br> Material:plastic<br> Package Contents:<br> 1 x Air Quality Tester<br> 1 x Cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from