Features:
°C/°F Selection(in the hole og back)
Data keep function
Automatic shutdown function
Low electricity display function

Specifications:
Unit of temperature: °C &°F
Display: 3 1/2 digit on LCD display
Temperature range: -50°C to 220°C (-58°F-428°F)
Accuracy: ±2% or 2°C
Repeatability: 1% or 1°C
Response time: <0.8 second
Emissivity: 0.95 fixed
Working environment: 0-50°C
Relative humidity: 10%-95RH non-condensing
Storage temperature: -20°C to 50°C
Power supply: 2pcs AG13 cell buttons (1.5V each)
Distance spot ratio: 1:1
Recommended measuring distance: 10cm
Auto power off after 15 seconds if there is no other operation.