Features: Small Temperature Display Shower Head with fast thermal response automatically updates water temperature readings, ensuring precise adjustments for best comfort without battery installation. Crafted with 304 steel connectors and IPX6 waterproof rating, this universal black thermometers shower head resists corrosion and maintains clear in humid environment. Ideal for households, apartment complexes, and gym facilities search easy water temperature monitoring during showers. Effortlessly track bathing water fluctuations in real time, providing safety for children and elderly users in residential or commercial bathrooms. suitable for most standard shower systems, this battery without shower temperature monitors requires 0 maintenance while delivering reliable performances. Specifications: Material: steel Size: about 10.6x10.6cm/4.2inchx4.2inch Battery: Not included Package Includes: 1xShower Temperature Display Or 2xShower Temperature Display note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.