1、Double knob design, flow adjustment is more convenient. 2、Intelligent reminder light to know the status of the pump in real time. 3、Easy to disassemble the pump head for easy replacement and easy maintenance. 4、Double pump heads are designed in parallel, independent speed regulation, no interference. 5、Back hanging hole design, easy to hang, good for heat dissipation. Features: 1. Small size and easy to carry. 2. Double knob design, flow adjustment is more convenient. 3. Intelligent reminder light to know the status of the pump in real time. 4. Easy to disassemble the pump head for easy replacement and easy maintenance. 5. Double pump heads are designed in parallel, independent speed regulation, no interference. 6. Back hanging hole design, easy to hang, good for heat dissipation. 7. Three-wheel structure, moderate pulsation, precise flow rate, low noise. Specification: Condition: 100% Brand New Item Type: Peristaltic Pump DC Motor: 12V Number of Pump Heads: 2 (double pump head) Pulsation: Three rollers, small pulsation (4-18ml/min)*2 (G628-2-1) (9-53ml/min)*2 (G628-2-2) (19-120ml/min)*2 (G628-2-3) 1mm*3mm (inner diameter* outer diameter) (G628-2-1) 2mm*4mm (inner diameter * outer diameter) (G628-2-2) 3mm*5mm (inner diameter* outer diameter) (G628-2-3) Speed Regulation Type: Stepless speed regulation Pump Head Material: Engineering plastic Pump Tube Material: Food grade platinum vulcanized silicone tube Package List: 1 x Peristaltic Pump 1 x Adapter 1 x Extension Tube (2 meters) Note: