Fast (Read temperature in 0.5s) Accurate (Measurement deviation + or - .2°C) Big Screen (Backlight LCD digital display Fever Alarm (Beep Sound greater than or equal 38°C/100.4°F) Specifications: Measurement range: 32°~42.9°C / 90~109.4°F Resolution: 0.1°C/°F Measured distance: 5-15cm (2-5.9 inches) Temperature unit: °C or °F Power supply: DC 3V (two AAA batteries) Product dimensions: (160×100×40)mm (LxWxH) Product weight: 100g/3.5oz (batteries not included) Auto shutdown Time: 20 seconds Measurement time: < 1 second •Body Temperature •Water Temperature •Room temperature •Milk temperature