About item:

• Temperature Range : -50°C~550°C(-58°F~1022°F)
• Accuracy: -20°C ~ 0°C/-4°F ~ 32°F: ±4°C/7°F Above 0°C/32°F: ±2°% Of Reading ±2°C/3.6°F
• Optical Resolution: D:S=12:1
• Diod Laser: Output<1mW,630 ~ 670mn,class 2(II) & Auto Power Off: Auto shuts off after 20 seconds inactivity
• Relative Humidity: Operating:10 ~ 95%RH,Storage:<80%RH & Power Supply: 9V battery