Receive highly accurate measurements in seconds with the single click of a button. An integrated alarm sounds when raised body temperature is detected, making it easy to inform both user and individual of a potential fever. Lit display - green, orange and red lights correspond to normal, elevated or high temperatures, respectively. Patented probe design to ensure high accuracy. 1 second response time. Auto shut-off after 30 seconds to save battery with power saver. Pre-calibrated. Commercial grade. 1 year warranty. FDA, CE and ISO 13485 Certified.