LED indicator to indicate -on state Control circuit, the pump is more stable; Tap out the instructions marked Small 3P connector can be directly plugged into the headboard fan original position Support speed testing function With rubber base, ultra-quiet experience. Model: -300T Flow: max 300L/h Connector: Small 3P connector Voltage: DC12V : 4W Water tank capacity: 150ml Noise: 23DB Dimensions: Length 66mm x wide 56mm x height 86mm (net size, excluding out of faucets, ) Tap Diameter: 9.4 mm Tips: It is good to use the pipe with 8MM inner diameter colour: black Material: plastic Package Contents: 1 x water cooling kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.