This mini Thermometer is a non-contact instrument that uses infrared technology. It uses an infrared not laser light that can harm skin to measure both body surface & forehead temperature for infants & adults (no contact to human body). Via an alarm it informs the user when the measurement is OK. Excellent product to measure temperatuta children quickly and safelyworks perfectly. - 4-in-1 thermometer: ear forehead ambient and object thermometer - Accurate measurement - Measures temperature without probe cover - Easy to clean - Fever alarm function - Comes with a base