Feature : Two digital thermometer can be choose ， and 1 ---4 Keys( Laser Temp Gun )， 2-- 1Keys (3 Colors) 1. Large memories: can store 50 memories for data analysis.2. ��C and ��F can be changeable and selectable.3. Setting can be adjusted for different kinds of people (such as white people ， black people， yellow people， etc.)4. Buzzer can be closed or opened by manual5. Alarm value can be set.6. Multiple function: Not only can measure body temperature， but also can measure the temperature of surface， room， bath water， food， baby milk， etc. With clock function.Theory: Infrared ThermometerDimensions: 150 x 95 x 44mm app.Measuring Time: 0.5 SecondsMeasurement Accuracy: ��0.2��Auto Shut Off: 18 SecondsMeasuring Distance: 5-15cmWeight: 115g app.Battery: 2 x 1.5V AAA battery (not included)Operating conditions: 5��-40.0��(41�H-104.0�H)， Rh��85%Color Alarm: Green(Normal): 34-37.3�� Yellow(Low Fever): 37.4-38�� Red(High Fever): 38.1-42.9��Note: When the alarm point is set， once the temperature is above the alarm point， the backlight will be RED; if the alarm point is below 37.5��(99.5��F)， there will be no yellow backlight， only Green and RED.Package Included:1 x Non-contact Infrared Thermometer1 X Instructions for use