Features: The compact body design, simple and fashionable appearance, you can put into your pocket and use wherever you want.With desktop stand Room use is possible, too.<br> 1.9inch clear definition color display, 240 x 280 resolution, the HCHO, TVOC, CO2, temperature and humidity are more intuitive and convenient to read.<br> Equipped with high-precise semiconductor sensors, accurately identify and capture different pollutants in the gases, real-time HCHO, TVOC, CO2 gases concentration is more accurate.<br> Adopts superior temperature and humidity sensors, with fine interference resistance ability, to ensures the accuracy of each indicator measurement, with stable working performance, and low power consumption.<br> Built in high-sensitive intelligent chip for quickly air quality detection to ensure more accurate inst ent detection.<br> Specifications:<br> Name: Air Quality Detector<br> Note: With stand<br> Battery: 1 x 700mAh built-in battery (included)<br> Display: 1.9inch color display<br> Working voltage: 3.7V<br> Warm up time: 35s<br> Data refresh rate: 2s<br> Detection ranges: 0-9.999mg/m³<br> Operation humidity: 0-95%RH<br> Working temperature: -10℃ to 50℃<br> Charging mode: Type-C interface<br> size: 50.6 x 85 x 17mm<br> Material: ABS<br> colour: black<br> Package Contents:<br> 1 x Air Quality Detector<br> 1 x USB cable<br> 1 x Lanyard<br> 1 x English Manual<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 the real thing. The measurement allowed error is +/- 1-3cm.