Temperature Range:   - 50°C～260°C (-58°F - 500°F)
Accuracy:   ±2% or 2°C
Distance Spot Ratio :   2:1
Emissivity:   0.95 

Response Time & Wave length:  500ms & (8-14)um
Storage Temperature:  -20°C-50°C  ( -4°F-122°F )
Operationg Temperature:  0°C--50°C   ( 32°F- 122°F )
Repeatability :   ±1% or ±1°C
Resolution:    0.1°C or 0.1°F           
Power  2 pcs AAA   battery  (1.5V  each)