Advanced Air Quality Monitoring: Experience the of indoor air quality monitoring with for Air Monitor 2. This device features a highly responsive touch screen interface for effortless control and monitoring. Comprehensive Sensors: Equipped with accurate sensors to measure temperature, humidity, CO2 levels, and PM2.5 particles, ensuring your environment is safe and healthy. Smart Home Integration: Seamlessly integrates with the app, allowing you to monitor and control your air quality from anywhere. Designed for Everyday Use: Its sleek design and construction suitable for any room in your home or office. Screen size: 4 inches Screen resolution: 720x720 Wi-Fi:IEEE 802.11a or b or g or ac or ax(2.4G or 5G) Battery type: Lithium ion battery Battery capacity: 1800mAh or 3.7V Power interface: USB-C Rated input: 5V-1A Temperature: -10-60 Humidity: 0-99percent RH (no condensation environment) C02:400-9999 ppm PM2.5 PM10:0 - 999 g or m ETVOC: VOC index 0-500, or 0.005-9.999 mg or m eTVOC Noise: 36-95 dB Do not use for extended periods of time in environments with humidity exceeding 90percent Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:White Material:ABS Package Contents: 1 x Air detector 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.