Temperature Indicator - When the drop pattern display changes to BLUE/RED, it means the bath water temperature is too COLD/HOT for the baby. You can see the color to detect the water temperature in real time and make necessary adjustments. Color Change Color Range: When the water temperature is lower than 36℃, the drops will turn blue; when the water temperature is higher than 39℃, the drops will turn red; when the water temperature is between 36℃ and 39℃, the drops will remain green. Safety - This bath thermometer is made of BPA-free and safe material, has a smooth surface and no sharp edges, and will not cause any injury to the baby's skin. Easy to Use - This bath thermometer has no buttons and is very easy to use. Dip it in water and it will light up; remove it from water and dry it, it will automatically turn off after about 5 seconds. Cute Shape - Adorable sea lion pattern, bring fun to your baby's bath time. Perfect gift for your little one, and the size is just right for their