Baby Bath Bathtub Thermometer Safety Floating Bathing Toy Digital Temperature Thermometer with Flashing Warning Item Type: Baby Bath Tub Thermometer Material: Plastic, electronic components Main Functions: Measures water temperature, baby bath toy, room temperature clock timer, high and low temperature warning, 3 color backlight Model: MTY 803 Waterproof Rating: IP67 Product Size: Approx. 9.2 x 8.6 x 3.2cm / 3.62 x 3.39 x 1.26in Temperature Measuring Range: 0~60°C Temperature Measuring Accuracy: ±1°C Resolution: 0.1°C Maximum Timing Range: 59 minutes and 59 seconds Materials: Plastic, electronic components Low Temperature Warning Range: Below 35°C High Temperature Warning Range: Above 39°C (can be adjusted between 37°C~46°C, defaults to 39°C) Battery: 2 x  LR44 (or AG13) 160MAH button batteries (built in), can be used for about half a year.