Product Specifications Electric flow: 2.5A Water flow: 4-4.5 l / min Battery capacity: 2200mAh Battery voltage: 3.7 V Charging option: USB output 5V / 1.2A Charging time: 3-5H (depending on your charger) Color: blue 1. COMPACT CAMP SHOWER -The kit consists of a powerful shower pump, a sensitive shower head, a suction cover, an S-hook and the 2M hose as well as a rechargeable battery that ensures mobility and flexibility during use 2. Upgraded Version: Come with one detachable USB rechargeable battery (2200mAH) that is separate from the pump. External on / off function, an improvement on the previous design. The batteries do not need to be immersed in water, which can protect the life of the batteries and increase their lifespan. 3. Long-lasting and powerful: We offer one batteries, one of which can work for up to 45-60 minutes on a full charge, two for up to 90-120 minutes, so that you can constantly shower happily up to 4 l / min (1 gal / min) provides ideal and strong water pressure to make bathing easier. 4. Easy to assemble and use: Simply immerse the pump completely in your bucket / tub of water and turn on the motor. It pumps water from the bucket into an even, gentle shower stream and you get a nice flowing shower. 5. LIGHTWEIGHT AND PORTABLE: The shower is very light and handy, can be easily stowed in luggage, backpack or trunk. The compact design will delight everyone when camping.