Digital Thermometers Electronic Non Contact Gun Infrared Thermometer in Stock status description 1. Standby: The red dot on the bottom of the display lights up in sequence. 2. Insufficient power: The horizontal bar lights up in the middle of the display. 3. Normal temperature: The green light flashes and the alarm "quotient". 4. Abnormal temperature: red light flashes and quotient alarm. 5. Default value: L0 ': ultra-low temperature alarm. "HI": Super high temperature alarm. Instructions for use 1. Temperature measurement: measure 5-10 cm in front of the thermometer. 2. Mode switching: Side button (1) Temperature unit: Press the "Mode Switch Button", then select "C" or "F" C: Celsius F: Fahrenheit
