Specification:
Volts:DC 24V
Current:80mA
Working condition:0-40c
relative humidity<80%
Flow rate:20-60 ml/min
Rotate speed:0.1-100 rpm
Motor RPM:5000RPM
Driver size(Φx H):Dia.27.6 x Height 37.9 (mm)
Pump head size(Φx H):Dia. 31.7 x Height 20.1(mm)
pump tube size(IDxOD) :2.5*4.7mm
weight: 200g
flow direction: you can control the flow direction by the positive and negative connect
 
Feature:
Silent work
Suitable for aquarium, chemicals, liquids, dosing additives 
It is very easy take apart and clean, so there is gap between motor and pump.just pull out and push in is ok