Simple Operation and Quick Reading: Use this infrared thermometer to measure temperature with just one button. Results are displayed in approximately 2 seconds. Alarm Function: Set a temperature threshold to receive a notification if a fever is detected. The default alarm temperature is 38°C (100.4°F). Two Measurement Modes: This non-contact forehead thermometer offers Body mode with a range of 86.0–109.4°F (32.0–43.0°C) and Surface mode with a range of 32.0–212.0°F (0–100°C). Backlight Indicator: The screen backlight changes color—green, orange, or red—based on the measured temperature in Body mode. Multifunctional Use: Accurately measures body temperature for health monitoring and can also measure the temperature of objects such as food, room environment, and baby bottles.