When open the hot water faucet, the first out of the pipeline is cold water, until all the cold water release, the hot water will slowly flow out. It is waste lots of water and time. According to the report, a family of three people will waste 730 minutes to wait for hot water. And wasted the “cold water” about 40 tons each year. Mini water is a water-saving device that makes the front water become warm water. Mini water cherish the water resources, more friendly to our earth. It has the following characteristics: 1. Warm water every time when open the shower head. 2. Can save the front water every day. 3. Simple shape, with sense of industrial design. 4. Use of hydraulic principles, electricity free. 5. Simple operation, only just press a single button. 6. Adjust shower head can be moved up and down.