2.8" TFT 320 x 240 pixel color LCD display, not afraid of strong light, not afraid of darkness Optimized strong light measurement, easy to read even in strong light Can it monitor particles as small as 0.3um? High-precision sensors, intelligently identify the number and size of particles, and simultaneously test and display 3 groups of air particles Fast sampling, real-time display of sampling data You can view the current air quality sampling data in real time, and you can choose the sampling time for secret data statistics Support pm2.5, pm10 mass weighing method Optional particle counting and weighing measurement mode 5,000 sets of data storage records, support memory card expansion, can store 5,000 sets of measurement data, convenient for continuous measurement records; support for inserting extended storage SD cards, convenient for arranging measurement data, and convenient for environmental monitoring and analysis. Welcome and I wish you a happy life, my friend., Manufacturer: MJFVN