1. Product specifications: - Current: 2.5 A - Water flow: 4 - 4.5 l/min - Battery capacity: 2200 mAh - Battery voltage: 3.7 V - Charging option: USB output 5V / 1.2A - Charging time: 3 - 5 hours (depending on the charger) - Colors: Blue, Orange 2. The set includes a powerful shower pump, a sensitive shower head, a suction cup cover, an S - shaped hook, a 2M hose, and a battery, ensuring mobility and flexibility during use. 3. It is equipped with a detachable USB rechargeable battery (2200 mAH), separated from the pump. It has an external on/off function, which is an improvement over the previous design. The battery does not need to be immersed in water, as this can extend the battery's service life. 4. We provide one battery. After a full charge, one battery can run for up to 45 - 60 minutes, and two batteries can run for up to 90 - 120 minutes, so you can enjoy a pleasant shower. A water flow of 4 liters per minute (1 gallon per minute) provides an ideal and powerful water pressure, making your shower easier. 5. Simply immerse the pump completely in a bucket/bathtub and turn on the motor. It will pump the water from the bucket into a constant and gentle shower stream, and you will enjoy a wonderful shower experience. 6. The shower is very light and convenient, and can be easily stored in a suitcase, backpack, or trunk. The compact design will satisfy everyone when camping.