Ultra-convenient shower thermometer: With this thermometer, we can take a shower with the right water temperature, especially suitable for the family with babies. High Accuracy Monitor: Built-in high accuracy temperature sensor, providing 0~100C measuring range and 0.5C accuracy. Selectable Celsius/Fahrenheit display. Easy Installation: 1/2 inch nut, compatible with most shower equipment, easy to install with no tools needed. 360 LED Temperature Display: A clear LED display allows you to monitor the shower temperature in real time. 360 rotation for better viewing. No Battery Required: Built-in small-scale hydroelectric system to generate power, no battery required or risk of power leakage. It will automatically shut off after no water flow.