Dreambaby Bath Thermometer Fish Bath water can be dangerous if it's too hot. Dreambaby® Bath Thermometer is an easy way to help avoid accidental scalds by ensuring the bath water is just right for your little ones. The bath thermometer is shaped like a fish and simple to use. Just submerge the tail and when the indicator stops moving, check the temperature. The color indicated lines on the thermometer make it easy to determine if the water is too hot, too cold, or just right. Simply submerge the tail in the water and wait for the indicator to stop moving Colored indicators to help you know if the water is too hot, too cold, or just right Measured in Celsius and Fahrenheit Easy to use in a fun fish shape Mercury Free