Specifications: DC connector jack : 5.5mm x 2.1mm female plug.(can work with power supply in our store.) Material: PC+ABS Rated voltage: 12VDC Max power: 3.5W, Rated current: 0.5A Outlet: OD 8.56mm/0.33 in Waterproof grade: IP68 Max lift: 0.4-1.5m Max flow rate: 200L/H Noises: <40db Note: 1. Before installation, make sure that the input voltage (DC 12V) are suitable for use.Please use socket with stable voltage and keep the motor running within rated power to ensure long lifespan. 2. Put the pump in appropriate place after cleaning it. Install a water pipe or a fitted device then plug in the power supply. Package include: 1x pump