Specifications: Human body mode: 32°C~42.9°C (89.6°F~109.2°F) Accuracy:±0.3℃(ambient temperature 18~25℃) Response time:1 second Color display screen D:S=12:1 Auto power off Back light Temperature upper / lower limit alarm (Red) Packed by color box Features Reading available in Celsius (ºC) and Fahrenheit (ºF) units. Able to switch between ‘Body’ and ‘Surface’ measuring modes with Auto Off function. Large LCD Screen with LED light and beeping sound indications. Respond time is only around 1.0s with a distance-to-spot ratio (D:S) of 12:1