'-4 colors backlight to indicate thermo leak by diviation setting;

'- Measurement Range: -40° to 716°F (-40° to 380°C);        

'- Accuracy : < 0°C： ±3% or ± 3°C

                   ≥0°C：  ±2% or ±2°C           

'- Distance Spot Ratio:  12:1; 

'- Emissive: fixed at 0.95;

'- Response time: 0.5 seconds;

'- ℃/℉ selectable;

'- Three ranges of leak difference exchange:

 ±0.5℃, ±3.0℃, ±5.5℃ ±1℉, ±5℉, ±10℉

'- Size: : 42*85*185mm

'- Weight: 170g

'- Power: 1pc 9V Battery .(not included)