2. [Display and Cooling] Features a 2.8 inch TFT color screen with 180° wide angle visibility, powered by USB for immediate use without calibration or preheating, and includes a fan for heat dissipation during prolonged work 1. [Advanced Processor] Support for ARM microcomputer processor, this air quality detector delivers fast processing speed, ensuring highly accurate air quality readings and smoother system performance for real time detection 3. [Electrochemical Sensor] Utilizes electrochemical principles and multi layer glass fiber filtration to minimize interference, providing dependable detection of PM1.0, PM2.5, PM10, and other particles with stability 4. [Versatile Detection] Test multiple parameters including PM1.0, PM10.0, PM2.5, temperature, humidity, and particulate matter, making it suitable for air assessing in indoor environments such as home, , or vehicle 5. [Accurate and Convenient] Incorporates advanced data algorithms for stable and accurate measurements. Dry division display, users do not need calibration, and the readings can be obtained after stable startup, Weight: 0.40124131684 Pounds, Manufacturer: Ehwisbe