Cresta TH 838 is a thermometer designed with advanced infrared and ambient temperature compensation technology as well as self- diagnoses functions for accurate and fast temperature measurements — without waiting. In addition, the device also has a memory function that allows for the storage of temperature readings. To view the stored readings, simply press the ON/OFF Memory button again. Furthermore, the device is equipped with a large LCD display for easy reading of the temperature measurements. The display also indicates when the device is ready for use and when a new battery is needed. With its various features, Cresta TH 838 is a versatile thermometer that is suitable for a wide range of applications, including: