Package Contents: 1/2 inch nut Water thermometer *1 , waterproof gasket *1 , manual *1 ?.Ultra-Practical Water Bath Shower Thermometer: with this thermometer, we can take shower with just right water temperature. ?.High Precision Monitor: Built-in high precision temperature sensor, providing 558 C or 41136¨H measurement range and ?R0.5 C accuracy. Celsius/ Fahrenheit display selectable. ?.Easy Installation: 1/2 inch nut, compatible with most of the shower equipment, easy to install without any tool needed. No Battery Needed: Built-in small-scale hydro power system to generate current, no battery needed or no power leakage risk. ?.360 Rotating LED Temperature Display: Clear LED screen enables you to monitor the shower temperature in real time.The screen also displays the indicator light (3-Color Indicator Light-blue/ green/ red) to help you choose the suitable water temperature.Please note: As we are international seller, our delivery time will take about 10 working days. Our logistics provider and delivery method is: New Zealand Post.