Built-in High-energy Lithium Battery and Shower with Water valve:The portable electric shower is built-in 5000mAh rechargeable battery , and scientific equipped with low battery indicator light.Off the water and on the water, shower head more convenient operation. Water Flow Stalls Adjustable: Intelligent design of two water flow stalls conversion button, the perfect washing pressure. The hand-held Multiple-uses portable shower also built-in water filtration system. Charging Convenient and Safe:The Portable Electric Shower equipped with battery charge and discharge protection circuit, Use 5v USB charging. And equipped charging indicator light.Compact, lightweight, and easy to carry in Car Trunk , Backpack or Luggage.or It is essential for family emergency. Multiple-uses Portable Shower:Suitable for Indoor/Outdoor Showering, Pet Washing, Car Washing, Garden watering,Traveling and Camping etc. Scientific Design, Easy to Carry: Scientific and beautiful design, easy disassembly, charging and cleaning.