[Time, Date Display & Alarm Clock] Our air quality monitor can not only be used as a professional and accurate air detector, but also can be used as an alarm clock placed beside the bed, with date and time display and alarm clock function, to meet your . [9 Air Quality Parameters] Our air quality detector contains 9 parameter displays, including the glance level. You can choose to check each parameter or simply look at the rating to learn the indoor air quality. [Upgraded Accurate Sensor] Our air detector abandons the unstable semiconductor sensor and choose the more stable and higher-precision infrared sensor. The measurement is more accurate. [Three Levels of Adjustable Light] Our air detector LCD screen has three levels of adjustable light(100%/40%/0%). You can adjust the light according to the surrounding light environment, so that you can see the parameters clearly during the day and avoid dazzling light at night. [Large-Capacity Battery] Our air quality monitor is equipped with a 2400 mAh large-capacity battery to meet your daily use. convenient and fast Type-C charging, no special charging cable is required. Colour:Black Material:ABS Size:About 112x78x35mm Package Contents: 1 x Air Quality Monitor Indoor 1 x Charging cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.