& Designed with LED display to help you monitor the water temperature in real time, so you can always shower with the right water temperature, which is especially good for babies and the elderly. In addition, it uses water pressure to generate electricity, without batteries. Compatible with most shower equipment. Features: With this thermometer, we can bathe with the right water temperature, especially suitable for a family with children.1/2 inch cap, compatible with most shower, easy to install, without any tools. The system for small-scale generation built-in electricity from hydropower, no batteries required or risk of energy leakage. It will automatically shut off when there is no water flow. Clear LED display allows you to monitor the temperature of your shower in real time. 360° rotation for better viewing. Built in high precision temperature sensor, providing 5 - 85°C and ± measuring range. Accuracy 5°C.Only the monitor water thermometer, other accessories show in the picture are not included. Specification: Material: ABS+PC Screw Nut Size: 1/2inTemperature Range: 5 - 85°c Measurement Error: ±. 5 °Measurement accuracy: ±. 5°C Size: app.8.4x8.25cm/3.31x3.25inColor: SilverQuantity: 1 setNote:Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Contents:1 Set x Monitor Water Thermometer