Rechargeable battery with 2200 mAh: The batteries are separated from the pump and cannot be placed in water. External on / off switch function. Charge via the supplied 5 V USB charging cable from the USB port, car adapter or computer or laptop. A full charge allows continuous use of at least 60 minutes. Charging time: 2-5 hours (depending on the specification of the different charger). Portable and Safe Shower: The camping shower weighs around 0.6kg, so it's compact and easy to carry. The electric water pump has a filter device in the pump to ensure that the water is clean. You can remove the bottom of the pump and clean the filter. Easy Installation: Connect one end of the hose to the water pump and the other end to the shower head, install a suction cup or hook to fix the shower head where you are, connect the pump's power cord to the Battery and simply insert the water pump in the water. Then press the switch on the battery and it will start running. Multipurpose Portable Shower: The outdoor electric portable shower works at a constant speed of 2.5L / min, providing a smooth and comfortable flow. Suitable for indoor / outdoor showers, kids bathing, pet cleaning, car washing, garden watering, camping, hiking, traveling, etc.specificationMaterial: ABS plasticPump voltage: DC 3.7VMaximum current: 2.6ABattery capacity: 2200 mAhUSB cable length: 0.8 mHose length: 1.8 mOperating time: 45-60 minCharging way: Any USB output of 5V, 0.5-2ACharging time: 2.5-5 hours [depending on the specification of the charger]Water flow: 2.5 l / minproperties1.1 Comes with 2000mAh detachable battery, very convenient to use, can work for 45-60 minutes. A 0.8 m long USB charging cable is included in the scope of delivery. When the battery is empty, you can charge it with the car adapter / computer / mobile device etc. The charging time depends on the charging product you are using. (The battery is not waterproof, do not put it in water). External switch, one button to turn it on and off.2. The water pump has a built-in water purifier to make sure you are using clean water. The bottom of the pump can be dismantled to make it easier for you to clean the filter.3. With a 45-hole shower head and 1.8 m hose that works at a constant speed of 2.5 l / min, a gentle and comfortable flow of water is made possible.4.With suction cup and hook to handle different scenarios, when you are indoors or next to the car, there is only one smooth surface. You can use a suction cup to fix it. When you're in the wild, a hook can be used to hang a shower on a tree or in a bath tent. It's perfect