Features: 1. Made of high quality material, durable and long service life. 2. The size of motor is 32x23mm, easy to install and remove. 3. Available in three styles for choice. 4. The flow direction of the peristaltic pump depends on the positive and negative wiring of the power supply, and the terminal can be arbitrarily selected 5. Suitable for experiments, biochemical analysis, fine chemicals, bioengineering, etc. Specification: Condition: 100% Brand new Item Type: Peristaltic Pump Model: G528 Applicable Power Supply: DC 12V Working Environment: Temperature 0-40 Media Flow Direction: The flow direction of the peristaltic pump depends on the positive and negative wiring of the power supply, and the terminal can be arbitrarily selected. Flowing Range: 0-23ml/min 0-65ml/min 0-150ml/min Speed Range: 0.1-60rpm Current: 250-300mA Motor Diameter: Approx. 32mm / 1.3in Height: Approx. 23mm / 0.9in Installation Hole Center Distance: 48.5mm / 1.9in Optional Style(inner diameter x outer diameter): Type A: 1x3mm Rubber Tube, Type B: 2x4mm Rubber Tube, Type C: 3x5mm Rubber Tube Package List: 1 x Peristaltic Pump Package List 1Made of high quality material, durable and long service life. 2The size of motor is 32x23mm, easy to install and remove. 3Available in three styles for choice. 4The flow direction of the peristaltic pump depends on the positive and negative wiring of the power supply, and the terminal can be arbitrarily selected 5Suitable for experiments, biochemical analysis, fine chemicals, bioengineering, etc.