1. Large memories: can store 50 memories for data analysis.2. ¡ãC and ¡ãF 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: ¡À0.2¡æAuto Shut Off: 18 SecondsMeasuring Distance: 5-15cmWeight: 115g app.Battery: 2 x 1.5V AAA battery (not included)Operating conditions: 5¡æ-40.0¡æ(41¨H-104.0¨H)、 Rh¡Ü85%