Compact in size, lightweight and portable, easy to take out and carry around with you. Adopts high accuracy TVOC sensors, real-time detection, automatic refresh data, with multi-use functionality. Large LCD display shows electricity quantity, CO2 value, TVOC value, HCHO value, temperature, and humidity clearly. Switchable between ℃ and ℉, with stable detection performance, anti-jamming ability, low power consumption, and long service time. Equipped with air quality level indication function; four different colors correspond to different air quality levels, allowing you to accurately and visually understand current air conditions. Hundreds of air vents on the outer shell speed up air convection for effective detection and provide efficient heat dissipation. Color: black Material: ABS Package Contents: 1 x Air detector 1 x USB cable Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the actual product. Measurement error allowance is +/- 1-3 cm.