"What to do before measuring pet's temperature" 1. Make the pets be quiet, don't make them nervous. 2. Clean pet's ear, easpecially clear all ear wax. 3. Put the thermometer at normal room temperature and let it stand for 5 minutes. 4. If the thermometer probe is dirty, please clean it. 5. Turn on the thermometer to check if the pet will afraid of the beeping of the thermometer. If so, press the beep sound several times to get the pet accustomed to the sound. "How to measure pet's temperature correctly" 1. Insert the new batteries included in the thermometer package correctly, to make the thermometer turn on. 2. Aim the probe at the pet's ear canal, extend it into the ear canal, press the measurement button, wait for the display to show the measurement result, and then take out the thermometer. 3. When the pet is quiet, measure the temperature of 3 groups. If the temperature is relatively stable, it is the correct temperature measurement. If the pet is impatient, do not measure the temperature for now, rest for a few minutes and wait for the pet to stabilize before taking the measurement. The First Thing is Take Their Temperature From time to time, dog owners often get the impression that their pet isn't feeling especially well. Maybe your little four-footer has the sniffles, or maybe she just isn't acting like herself. Maybe her tummy has been upset all day, or she isn't showing interest in her food. Regardless of the signs that are causing you concern, you need to determine if she's just having a bad day or she needs to go to the vet. Taking her temperature is one of the first things you'll want to do, and fortunately, it is pretty easy to do so — Dog ear thermometer will take their ear temperature in 1 second. Notice Any problem with this product, please contact with us freely. It has 1 year's warranty, don't worry.AFTER-SELL-SERVICE12 month warranty, 7x24 service. The warranty period of the product is one year. During the warranty period,if the product fails due to poor quality of the origianl device or manufacturing problems the company will provide free maintenance and replacement. VOICE ON OFF VERY SIMPLEThe sound switch is located on the side of the machine and can be easily turned on or off. Because pets are very sensitive to sound, we recommend turning off the sound when measuring temperature to prevent startling them. MEASURE IN 1 SECOND1 second quick measurement of the dog's ear temperature,High accuracy within 0.2C 0.36F, and F switchable, easy to read. LONG PROBE DESIGNED FOR BIG EAR PETSLong probe is only suitable for pets, livestock, dogs, cats, rabbits, pigs, cattle, sheep, horses, etc. It can be placed deep in the ear canal to obtain more accurate degree. ANIMAL-FRIENDLY EAR THERMOMETERPet ear thermometers are less invasive, but are still a reliable way to measure your dog's temperature. It measures infrared heat waves emanating from the area around the eardrum. A thermometer is placed deep into the horizontal ear canal to get an accurate reading. Please read all instructions carefully before use.