1. Imported high-performance sensor, 2~3 years long service life. 2. Active pump suction, short response time, embedded 32-bit ultra-low power microprocessor, small error and high resolution. 3. Built-in temperature and humidity sensors, real-time display temperature and humidity. 4. Intelligent temperature, humidity and zero point compensation algorithm, 3 to 8 level of the target-point automatic calibration function by software, ensure the accuracy of measurement results; auto detection working status of various sensors and components. 5. 2.3 inch full-color screen, large and clear back light ensure measurement information can be displayed in any lighting Welcome and I wish you a happy life, my friend., Manufacturer: MJFVN