Digital thermometer B.Well WT-04 will replace a mercury thermometer in your household first-aid kit. Unlike a mercury device, the electronic thermometer B. Well is completely safe, contains no mercury or glass, suitable for children and adults, and can be easily taken along. As much as all family electronic thermometers B. Well, WT-04 has a removable battery and waterproof design. The model is characterized by increased comfort, has a flexible tip and anti-slip inserts. Temperature measurement is quick and takes about 30\ufffdseconds.