12v Submersible Water Pump 206 GPH Brushless Fountain Water Pump by Mavel Star 12v dc small submersible centrifugal water pump, NOT self-priming ,design to be submerged,can be powered by battery pack, solar panel or 12 dc power adapter, please search ASIN (B0713T89R1) for the power adapter. Used this for homebrewing,solar hot water system,to pump water for pets,for hydroponic pump system and many other applications,can be powered by solar panel(need to add a constant-voltage controller yourself),or power it by 12 dc power adapter,please search ASIN (B0713T89R1) for the power adapter. Max Lift Height: 4.0m/13.2ft, Max flow rate: 780L/H,206GPH Dimension of outlet:20.0mm(0.78inch) thread;Dimension of inlet:20.0mm(0.78inch) thread Submersible installation and entirely waterproof,Max working temperature: 60/140F