Feature: 1. High-precision infrared thermometer. 2. The measurement speed can be read in 0.5s. 3. Temperature measurement range: -50 ~ 380 ° C 4. Powered by 2 x AAA batteries. 5. Easy to operate. Specification: Model: GM320 Name: Infrared thermometer Weight: 105g Size: 140 * 70 * 27mm/5.51 * 2.75 * 1.06inch (Approx.) Material: Plastic Temperature measurement range: -50 ~ 380 ° C Response wavelength: 5-14um Ambient operating temperature: 0-40 ° C Power: 2 x AAA batteries (battery is not included) Object distance ratio: 12 to 1 (when the distance between the instrument and the measured object increases, the measurement area will also Correspondingly increased, in order to meet the industrial precision measurement, the object distance ratio of the thermometer is as high as 12: 1) Package List: 1 x Industrial Thermometer 1 x User Manual (English) Note: When measuring the temperature, aim the thermometer at the object to be measured, hold the trigger, and display the measurement result in real time. Release the trigger to maintain the reading. If there is no measurement for 8 consecutive seconds, the backlight display will automatically turn off, and the distance must be considered.