The 1200 mAh 3C battery is not a false standard, very durable, and it is more than quality.Both large and small barrels can be used, and it is suitable for a variety of barrel types.One simple press, one light press to fill the water, pumping is so simple.304 stainless steel outlet pipe, safety fittings, not sloppy, environmentally friendly and sanitary inlet pipe, not easy to rust and aging, no impurity adsorption, keep the water pure.Maternal and child-grade silicone water hose, the hose is made of environmentally friendly silicone material without peculiar smell.Noise-reducing bass design does not disturb sleep, just like whispering when receiving water, quiet and not noisy.It only pumps water but does not store water, does not moisturize and breed bacteria, and bid farewell to the long-term accumulation of water and dirt in the drinking fountain.Get rid of the shackles of the power cord and can be used anytime, anywhere.Product size: 14x7CM.Hose length: about 55CM.Colour: BlackMaterial: ABS.Enjoy a healthy drinking life!Thank you for purchasing my product. I hope to bring you good luck. If you have any questions, I will give you feedback as soon as possible.