Infrared IR temperature infrared temperature Digital gun

[High Precision Infrared Thermometer]: temperature measurement mode: 32C-43℃; Object temperature range: 0-100 ℃. Within 1-15cm measuring distance, safe, clean, stable and with reliable performance.[Setting Mode]:  Press SET button for 3 seconds, enter the setting mode. F1: Switch Celsius and Fahrenheit by + and - (℃ to ℉). F2: Set the high-temperature value, when the display turns red. The default is 37.5℃. F3: Measurement tolerance compensation, 0.1 per step. F4: Sound on and off. The latest 99 measurement data can be stored (press the + and - button to check ).[Human Temperature Range] :  32-43℃. LCD cannot display the value, if it is lower than 32 ° C or higher than 43 ° C, the LCD will not display the data and will display "Lo" or "Hi". ≤32 ℃  Shows “Lo” for "Low Temperature"; 32.0-37.4 ℃ "Green Light" for "Measured Value"; 37.5-38.0 ℃ "Yellow Light" for "Attention Temperature "; 38.1-43.0 ℃ "Red Light" for "Fever Temperature "; > 43.0 ℃ Shows “Hi” for "High Temperature".[Non-Co