Features:Easy to Use: With this elegant water bottle pump, you can enjoy refreshing water by simple installation and touching the switch.Save Time: No lifting or flipping anymore when you want to replace a new water bottle. It's easy to operate and save your time.Material: Made of high density ABS plastic and food grade silicone tube, no toxic and no smell. It is safe and easy to use.Easy Installation: Simple installation and easy to operate one touch button. No other tools needed.Rechargeable Design: Perfectly solve the problem of battery problem to charge. Built in rechargeable battery.High Compatibility: Our water bottle pump is suitable for all types of gallon bottles. Suitable for both indoor and outdoor.Usage Methods:1. Gently touch the electric source key to keep the water flowing, and then touch it again to shut down2. Lightly touch the electric source button to automatically ration the water twice about 600 ml3. Long touch the power button for three seconds to start the child lock function,and then touch it lightly for three seconds to turn it off(after the child lock function is started, the pumping function is turned off).Specification:Material: ABS+Silicone HoseColor: BlackHeight: About 13.5 cm/5.31 inchBattery: Rechargeable Battery(Built-in)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.