LEMI Medical Infrared Thermometer Non-Contact LED Display - 2081 Range (body surface mode): 32.0°C~42.5 °C Temperature Accuracy: ±0.2°C for 36°C-39°C range / ±0.3°C for 32°C-35.9°C range / ±0.3°C for 39°C-42.5°C range Measuring Method: Forehead / Behind the ear Contactless Measuring Distance: 50mm – 150mm Reaction Time: 0.5 seconds Over Range Notification: “Hi C” notification for lower than 32.0 °C / “Lo C” notification for higher than 42.9 °C Automatic Shutdown: Shutdown in 7 seconds after not in use Operating Temperature: -10°C-50° Power Supply: 2 x “AAA” Batteries (Batteries not included)