IncludesNon-Contact 1S Detection - The forehead thermometer can be used repeatedly without worrying about contact with others. Using infrared technology, it can quickly detect whether the human body is fever in 1 secondAccurate Temperature Reading - The digital IR thermometer is ideal for ear, forehead and body readings, and have a very small error margin. It is actually more accurate than standard mercury thermometers. And can avoid the harm of mercury vapor absorbed by traditional mercury thermometer to human bodySmart Power Saving - Power by AAA battery (Not included). Supports auto power-off after several seconds idle time, energy saving and environmental protection. 3-color backlight for easy reading. Tracks your family's temperatures, take care of their healthWide Application - The Non-Contact Thermometer is designed for all ages, adults, infants and elders. It supports ear, forehead body temperature meaurementSpecificationsStyle: HandheldDisplay Size: 1.9 Inches & UnderPower Type: AAA BatteryDisplay Type: DigitalMax Measuring Temperature: 49°C & UnderUsage: IndoorTheory: Infrared Thermometer