Taking a temperature with a light stroke across the forehead, the TemporalScanner provides an innovative method of temperature assessment, based on infrared readings of temporal artery blood flow. The TemporalScanner is fast, accurate, easy to use, and gentle enough to be used even on a sleeping patient. It is truly non-invasive, eliminating any discomfort caused by a thermometer inserted in the ear, mouth, or rectum, and can be used for all patients, newborns through geriatrics. 9 volt battery.