Thank you for purchasing our product.You have chosen a high quality product designed with the latest technology.In Order to use our produdcts better Specification Over-discharge protection voltage:2.80-2.90V Overcharge protection voltage:4.15-4.25V Discharge proteection current:7A(Max) Low voltage alarm:3.1-3.3V Working Voltage:3.7V Working current: xff1c;10A Indicator light:Blue light when working on 4L/min . Blue light flashes when working on 3L/min Charging time:about 3-4 hours Charging mode:5V USB Type-C Charging current:1A Charging input voltage:4.4V-5.5v Standby current:10uA Working time:about 80mimutes Battery capacity:4400mah Outlet flow rate: Low stall 3L/Min;High stall 4L/Min Charging line:0.5Meters Out Pipe:1.8Meters Suction pipe:0.6Meters Weight:0.9KG Packing list: 1*Shower 1*Water pump 1*Inlet pipe 1*Outlet pipe 1*Sucker 1*Hang buckle 1*USB charging cable 2*Spring 2*Rubber band 1*User Manual(Support Spanish,English,Japenese,Deutsch)