Adjust water temperature by adding more or less water to get exactly the temperature you choose. The shower head comes with 3 temperature settings: off=cold water, winter=hot 5500 watts, summer= warm 3500 watts. Perfect for pool side hot water shower rinse offs, also for cabins where you don't really need a hot water heater plus all the extra piping. The shower head built-in an automatic on/off sensor, it will turns on when the water is running and turns off when the water is turned off. Product Dimension:13.5x15cm/5.32''x5.91'.We have warehouses in the USA, UK, DE and AU. For those customers who live in the US, UK, DE, EU and AU, we will send item from the corresponding warehouse. For those customers who live in other countries, we will send item from our foreign warehouses if available, otherwise from China. E-mails are answered Monday through Saturday. Please allow up to 48 hours for a response to your message 3. The item "110V/120V Electric Shower Head Tankless Instant Hot Water Heater With Hose Bracket" is in sale since Monday, September 9, 2019. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Water Heaters\Tankless Water Heaters". The seller is "superlivingshop" and is located in Rowland Heights, California. This item can be shipped to United States.