1. Fast measurement: measurement error can reach ± 0.2 degree celsius, measurement speed is less than 2 seconds 2. Non-contact temperature measurement: non-contact forehead measurement, measuring distance 1cm-3cm, without contact with human skin, to prevent cross infection. 3.Simple and easy to use: One-button measurement, one-button conversion mode, one-button check memory, easy operation. 4. Sound and light warning: backlights in three colors of green, yellow and red indicate whether the body temperature is normal, low fever, high fever, and there are "dididi" sound reminders. 5. Multi-group memory: It can store 50 sets of measurement data for analysis and comparison. 6. Correction settings: You can modify the setting parameters to suit different races of human skin, or human bodies with different characteristics.