Mavel Star 12 volt Small Mini Submersible Water Pump for Camping DIY Swamp Cooler PC Cpu Water Cooling Fountain Water Fall 63 GPH [Upgraded Version] 12v dc Submersible brushless Water pump,NOT Self-priming ,design to be submerged,can be powered by 12v Ac power adapter, please Search ASIN (B0713T89R1) for the power adapter. For the Water fall,Water feature & Water foutain in Home & Garden - Would make a nice fountain pump for a display,Can be powered by solar pannel( need to add a constant-voltage controller yourself) , or power it by 12 Ac power adapter,please Search ASIN (B0713T89R1) for the power adapter. For Your Bucket Swamp Cooler - This little Pump Would work like a dream for DIY Bucket Swamp Cooler ,power it by 12 Ac power adapter,please Search ASIN (B0713T89R1) for the power adapter. For PC & laptop Cpu Water Cooling system - If you are looking into diy a quiet water cooling Set for your Cpu,you should never miss this pump to cool down your Cpu at average Temperature for best Performance For other Water circulation applications: used this to pump water for pets, evaporative cooler, to circulate R V. antifreeze, for hydroponic systems and many other applications