High Precision Monitor: built-in high precision temperature sensor, providing 0~100C measurement range and 0.5C accuracy. Temperature Display: C/ Easy Installation: 1/2 inch nut, compatible with most of the shower equipment, easy to install without any tool needed. 360 Rotating LED Temperature Display: clear LED screen enables you to monitor the shower temperature in real time. 360 rotatable for better viewing. Ultra-Practical Shower Thermometer: with this thermometer, take shower with water temperature, especially suitable for the family with babies. No Battery Needed: built-in small-scale hydro to generate current, no battery needed or power leakage risk. It will automatically turn off after no water flow. 3-Color Indicator Light: the screen also displays the indicator light (blue/ green/ red) to help you choose the suitable water temperature. Memory Function: built-in memory chip, keeping track of bathing time (up to 99 hours and 59 minutes). Color: Silver Material: metal Package Contents: 1 x Water Flow Thermometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.