Digital thermometer B. Well WT-03 is a simple and precise device, which is affordable for each family. Digital thermometer WT-03 is made of safe materials and contains no mercury or glass. It is suitable for children and adults, has an easy-to-read display, memory of the last measurement, and a measurement rate of about 1\ufffdminute. Thanks to a waterproof design and replaceable battery, WT-03 will serve you for a long time!