Non contact measuring: With precision sensing probe, the infrared thermometer gives accurate reading from forehead without direct contact, the measuring distance is about 0.5-2inch which would protect babys skin and avoid cross-infection.Package include 1 x Touchless Infrared thermometer(with batteries).1xUser Manual. In order to help you get the accurate reading, please refer to the user manual before your first use.Silence Mode: The thermometer for infants can switch from sound mode or silence mode, convenient to use even the baby is sleeping. The forehead thermometer serves all ages, infant, babies, adult, the elders, a must have thermometer gun for family. Additionally, it has a calibration mode which can test object thermometer such as baby bottles or bath water(surface, do not immerse).Fever alarm: LCD display screen with backlight is large and clear enough to read even in dim space.3 backlight modes indicate different body temperature condition. Green for normal temperature. Yellow for light fever. Red backlight with 3 short and quick beeps warning Fever. NOTE: Body temperature affects by physical behavior, if you get fever warning, please consult your doctor.Intelligent Mode: The thermometer for adults and kids has a memory mode which store 10 query of measurements, easy to track historical temperatures. The forehead thermometer has Low battery indicator which ells you how much battery life is left so you know when to replace the batteries.