Package Included 1*1300W Centrifugal Pump 1* Pressure Switch 1* Manometer 1*English Instruction Notes Please remember that the maximum temperature it can withstand is 35°C. Please don't let it work on pumping at water temperatures above this standard. Please note that the electric pump has a self-priming function, so when you use it for the first time, you need to fill the pump chamber with water, and then you can use it without filling the water again. Please allow the slight color difference caused by the shooting light and 1-3 cm error due to manual measurement, and make sure you do not mind before ordering.