... than other industrial.2.The self-priming silent pump can support for strong water cycle, and ensure the wate cycle smoothly ... .Pure Copper heat sink,can quickly reduce the temperature.5.Arm platform support,embedded design, the micro computer functions,operational seep,low ... package) Package Size 75*52*60mmContinual working time 24Hrs Power Support AC110/220V, 50/60Hz,10A