Features:LED power indicator indicates power-on status. Control circuit, the pump is more stable. Tap the instructions labeled. The small 3P power connector can be directly connected to the original position of the headrest fan. Support speed test function. Rubber base shock absorber, extremely quiet experience. Tips: It is good to use a pipe with an inner diameter of 8mm. Specifications:Item Type: Water PumpModel: SC-300TMatterial: ABSolor: BlackSize: (Approx)Length: 66mm/25.98inWide: 56mm/2.20inHeight: 86mm/3.39in(Net size, excluding faucets, shock absorber)Note: red line for DC 12V power cord, black line for ground wire, yellow line for speed lineFlow: max. 300L/h Head: max. 1.9 Meters Power Connector: 3P Small Connector Voltage: DC 12VMoc: 4W Water Tank Capacity: 150ml Noise Level: 23DBumnity: 1 Set (Other Accessories Demo in the Picture Are Not Included)Note:1. Transition: 1cm=10mm=0.39 inch2. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included: 1 Set X DC 12V Water Pump (No Retail)