Material: Stainless Steel Black Size: 13 x 7cm Designed to take care of the elderly and children, easy to install, one-click drinking Safe, non-toxic and tasteless material design, outlet of 304 stainless steel water, healthy and environmentally friendly For bottled pure drinking water, assorted kegs, 2.16 inch neck Built-in USB rechargeable battery of 1200mAh, fully charged, can be used for 30-40 days or about 4-6 gallons of bottled water This product is easy to use, and the automatic electric motor is very convenient and practical < /p> This product is practical and suitable for office, home, kitchen, school, etc. 8 Suitable for pure bottled drinking water, compatible with the most 4.5L, 5L, 7.5L, 10L, 11.3L, 15L, 18.9L bottles Ergonomic Design: This product is ergonomically designed to be very convenient to use Good quality: This product is t made of high quality materials, with fine workmanship, high quality and long service life Due to manual measurement, please allow a slight measurement deviation < p>Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color showed on the picture, thanks