Newest flow sersor technology allow you choice the water pumping capacity as you need.?Made by high grade ABS material, 304 stainless steel hose Food grade silica gel material,high density plastic shell. Provide a healthy and convenient?water drinking method for you.?Suitable for a variety of models barrel without pry the lid. Feature - Color: Golden. - Material: ABS+Stainless Steel+Silica Gel. - Size: 14 x 7 x 7cm. -Power: USB. - Rated voltage: 5V. - Rated power: 5W. - Rated frequency: 50Hz. - Water?pumping capacity control allow you pump the water as you need. No water waste anymore. - Safety: Food grade silica gel material rechargeable pumping pipe hose. BPA free ,no toxic ,no smell, cold resistant, high temperature resistance. Using the best insulation / high density plastic shell. - Easy to use: Easy to install and use it. the elderly children can also operate, One key switch operation, just need to gently click, Family health drinking water necessary. - Useful: Fits most water bottles and for 4.5/5/7.5/10/11.3/15/18.9L capacity water bottle. - Easy to charge: Charging by USB cable, small size red indicator light let you know the battery charge process clearly. Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you Package Including:1 x Water Pump;1 x USB Power Cable