The Quick Read Forehead Thermometer by Safety 1st is the easy way to get fast, accurate temperature readings. When your child is sick, you want to know quickly whether they are running a fever. With the Quick Read, simply position the lens at center of your child's forehead and then press the button to take reading. It's really that easy! In just one second, you'll hear the beep that lets you know the reading is complete. The temperature displays in large numerals and there are two easy-to-understand fever icons to let you know right away if your child's temperature is too high, or within the normal range. Taking readings when your child is sleeping is easy too. The no-touch method means there’s no need to wake them up when you want to check in and see if their temperature is stable. Accurate reading in 1 second (°F or °C) Won’t wake sleeping child Fever icon for high temperature Large display Memory recall of last reading for handy reference Birth and up Auto shut-off Includes 2 "AAA" batteries Additional Information: ***This thermometer has a measurement accuracy on humans of +/- 03°C & +/- 03°F. Please read instructions carefully for proper use of this product. Also ensure proper handling and maintenance of the product to ensure accuracy and durability. Rectal Reading is recommended for a most accurate reading for newborns to 3 month old. Underarm and temporal is recommended for babies 3 months old to 4 years old. Ear is recommended for babies 6 months to years. Oral is recommended for children 4 years and older. Rectal reading is always the most accurate. It is a good idea when starting, to check the accuracy of the other readings by referring to the rectal.