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/b/g/ac/ax(2.4G/5G) Battery type: Lithium ion battery Battery capacity: 1800mAh/3.7V Power interface: USB-C Rated input: 5V-1A Temperature: -10-60 Humidity: 0-99% RH (no condensation environment) C02:400-9999 ppm PM2.5 PM10:0 - 999 g/m ETVOC: VOC index 0-500, or 0.005-9.999 mg/m eTVOC Noise: 36-95 dB Do not use for extended periods of time in environments with humidity exceeding 90% Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:Black Material:ABS Package Contents: 1 * 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.