Installation Method: 1. Take out whole water dispenser & parts from packed carton,and read the instruction before installation; 2. Connect provided silicone tube on water dispenser inlet port,Then fixed it on top of bottled water; 3. Put outlet sealed silicone on stainless steel pipe,then install it by rotation way and make sure it is installed well; 4. Check it and Press on/off well working; 5. Please charge it for 3-5 Hours with regular mobile USB charger at first time using it,the status indicator lamp on in charging,automatic off when it is full charged. Announcements: 1. Please do not use this product to pump alcohol and other stimulating liquids such as oil, as well as water hot over 55℃ 2. Please do not full immersion the product in water for cleaning. 3. Silicone tube can be boiled in water for a few minutes before using. 4. All product has do inspection before delivery,please ignore it if there is any water.