Aluratek's Non-Contact Digital Infrared Forehead Thermometer is a laser guided FDA Class II medical approved device for fast and accurate temperature readings without having to touch any surface. The bright LED screen displays temperature readings instantly in easy to see color coded digital read-out. The Infrared Forehead Thermometer also supports temperature readings of a room or surface temperatures like bathwater, food and beverages. Push button controls allow you to easily switch between body or object surface mode, °F and °C mode and scan memory. Accurate and Fast Readings The highly sensitive infrared sensor can precisely detect body temperature within 2 seconds with a single press of the trigger. Switch between °F and °C mode and scan through your recent scans (up to 10) with the push of a button. Safe, Non-Contact Use No contact is needed to measure a temperature making it safe and hygienic. Stand at a distance of 5cm - 8cm (2 - 4 inches) away from the target. Easily switch between body to object surface mode to take the temperature of a room, bathwater, food and beverages. Color Coded Temperature Notification Features a backlit display with large digital temperature readout. The display will indicates one of three colors based on temperature reading: Green (93.2°F to 99.3°F = normal), Yellow (99.5°F to 100.2°F= slight fever) and Red (100.4°F to 109.4°F = high fever).