Switch on the water and electric power, after the hydrotherapeutic equipment begins to work normally, the information like the illustration will be displayed on screen of body machine. Push the ?Warming? and ?Cooling? button to adjust the heating grade, the water temperature will elevate or decrease according to the change of heating grade. The real time temperature of water coming out from hydrotherapeutic equipment will be displayed on the screen. When ozone water is needed, push the ?ozone? button, design of continuous ascending air bubble will display on the screen. At this time, the water flowing out is ozone water. Accessories 3. Switching connector for water inflow 1. Hydrotherapeutic tip 2. Outlet pipe 4. Power wire 5. Inlet pipe Best Regards, The Export Manager Strong Lau / 13713905143 Email: sound3w(at)126.com website: Http://sound3w.en.ec21.com Tel: +86-755-82266854 Fax: +86-755-82402546 Add: 6/F, East Building 2, Guangxian Subdistrict, Bagua 3 Road, Futian Dist, Shenzhen. China.