POWERFULThis camping shower head can work for up to 80 minutes with a full charge of continuous use. The water flow is up to 3 litres per minute. It offers ideal and powerful water pressure so you can enjoy your shower even in campsites.FEATURE It comes with a detachable USB rechargeable (w/ external on/off switch) which is separated from the pump. EASY TO ASSEMBLE AND OPERATE: Just fully submerse the pump in your bucket/tub of water and switch on the power supply then position the shower head by using the supplied hook or holder. Finally the water is pumped up from bucket and you get a nice flowing shower. All parts are also easily assembled so it is no doubt a user friendly shower head.CONVENIENT: It provides three convenient ways to charge: 1. mobile phone charger; 2.USB output from laptop ; 3.USB output from car.COMPACT & PORTABLE: It very easy to carry and store in luggages, backpacks or car trunks, great for outdoor activities, camping, hiking, kid bathing, pet cleaning, car washing, plants watering, window and backyard cleaning. Specification: Current: 3AVoltage:3.7VWater Flow: iLow stall: 3L'min. High stall: 4Limin)Using Time: About 8ominsCharging Time: 4H-5HWaterproof grade :lPX7 Size Chart: Hose: 180cm/70.87inch Package Includes: 1Portable Outdoor Shower Set Note: Please allow slightly errors 1-2cm differences due to manual measurement.