If you do not know where you can find the product number and serial number of the thermometer, please find out below how.
The Smart ear thermometer's model number can be found at the back of the product as shown in the picture below. The model number should always be SCH740 or DL8740.
The serial number can be found by opening the battery compartment. Please remove the batteries first, so you will be able to see the sticker with number on it. The serial number consists of 12 digits.