all-sun Non-contact Infrared Thermometer handheld Mini Digital Meter Min / Max Value Reading Temperature Measurement Tester

This device allows the user to take non-contact temperature measurements simply by pointing the meter and pressing a button.
It features small size,easy operation,quick and accurate measurement.It is very easy to carry.

Specifications
Temperature Range:
      -22℉ to +428 ℉
      -30℃ to +220℃
Resolution: 0.1 ℃ /℉
Accuracy: ± 2℃ (±4℉) or 2% of reading, whichever is greater
Response Time: 1 second
Emissivity: 0.95 (default)
      Adjstable from 0.05 to 1, step 0.01
Current Consumption (in sleep mode): < 20μA
Working Temperature: 0℃ to 40℃
Storage Temperature: -20℃ to 50℃
Power supply: 3V button cell, CR2032 or equivalent (not provided by seller)
Battery Life: 40 hours (typical)
Distance to Spot: 1:1
Size: 6.9 x 3.8 x 2cm
Weight: about 35g


Operation Instruction     To Turn on the Thermometer
    Press the MEASURE button to turn on the thermometer, the thermometer enters normal measurement mode.

To Switch between Fahrenheit or Celsius
  1.Make sure that the thermometer is in normal measurement mode.
  2.Press the MODE button for times. The ℃ or ℉ symbol flashes on the display.
  3. Press the MEASURE button once, the thermometer switches between Fahrenheit and Celsius,
meanwhile it performs a temperature measurement and display the reading.

To Measure Temperature
  1.Make sure that the thermometer is in normal measurement mode.
  2.Aim the thermometer at the target and press the MEASURE button to display the surface temperature.