ITEM NAME:Mute Submersible Pump Water Pump for Computer Cooling Water Circulation Description: -Miniature Mute Submersible Pump to cooling water circulation can be used to computer or other places water circulation. -Voltage: DC3-5V -Current: 100-200mA -Head: 0.3-0.8 meters -Traffic: 1.2 to 1.6 L/min Specification: Product Size: 41*30*21mm/ 1.61x 1.18x 0.83inch Package Includes: 1 piece mini pump.1 piece mini pump. -Current: 100-200mA.