Upgraded 5000 mAh Battery and 120 Minutes Runtime: This portable shower is equipped with a built-in 5000 mAh lithium battery that provides up to 60–120 minutes of use after only 3–4 hours of charging – perfect for showering 2–3 people. Can be easily charged via USB with a laptop, car charger, or computer. Adjustable Water Flow Setting: The upgraded camping shower has 2 water flow modes (5L/min and 3L/min) and offers two shower modes (rain mode and soft spray). You can easily switch between modes by pressing the button on the shower head. Compact and Versatile Use: Weighing only about 790 grams and with a compact size, this portable shower is easy to carry and store in your suitcase, backpack, or car trunk. Perfect for camping, travel, beach trips, child bathing, pet cleaning, car washing, plant watering, and window and patio cleaning. Easy to Assemble and Use: The shower is very easy to use. Press and hold the power button on the battery pack for over 3 seconds to start the pump. Submerge the pump completely in a bucket or basin of water, turn on the motor, and enjoy a soft shower flow. Upgraded Shower Head: The portable shower head has 290 silicone massage points that enhance your shower experience and help you relax. The double sealing rings effectively prevent leakage, ensuring safe use.