Features 1.LED power indicator to indicate poweron state. 2.Control circuit, the pump is more stable. 3.Tap out the instructions marked. 4.Small 3P power connector can be directly plugged into the headboard fan original position. 5.Support speed testing function. Features: LED power indicator to indicate power-on state Control circuit, the pump is more stable Tap out the instructions marked Small 3P power connector can be directly plugged into the headboard fan original position Support speed testing function With rubber shock absorber base, ultra-quiet experience. Specification: Model:SC-300T Flow:max300L/h Head:max1.9 meters Power Connector:Small 3P connector Voltage:DC12V Power:4W Water tank capacity:150ml Noise:23DB Dimensions:Length 66mm * wide 56mm * height 86mm (net size, excluding out of faucets, shock absorber) Tap Diameter: 9.4 mm Tips:It is good to use the pipe with 8MM inner diameter Package included: 1pcs ultra-quiet Water pump